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PERSEUS MINING LIMITED — Capital/Financing Update 2018
Aug 14, 2018
46513_rns_2018-08-14_c33fe31b-fdbe-43fa-912e-1ad7db9ee4bd.pdf
Capital/Financing Update
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15 August 2018
NEWS RELEASE
Exploration by Perseus Mining in Côte d’Ivoire
Summary
Perseus Mining Limited (ASX/TSX: PRU) is pleased to provide an update on its recent exploration activities at its Sissingué and Yaouré properties, both located in Côte d’Ivoire.
Sissingué, Perseus’s second gold mining operation, started commercial production on 1 April 2018 and the Company is now aiming to extend the currently estimated five-year life of the mine by identifying additional Mineral Resources that can be processed at Sissingué. Recent exploration drilling has identified open ended gold mineralisation extending over 200m of strike length at the Zanikan prospect, south of Sissingué, and over 300m of strike length at the Fimbiasso South prospect on the near-by Mahalé exploration licence. Both prospects are located within trucking distance of the recently commissioned Sissingué processing facility.
Yaouré is a development stage project and will become Perseus’s third gold mine when developed. A positive Definitive Feasibility Study (“DFS”) was completed in October 2017 and subject to financing and full permitting, mine development is expected to start early in 2019. Perseus has completed the drilling of targets identified during the Yaouré DFS as having potential to increase Mineral Resources, Ore Reserves and the currently estimated eight and a half year mine life for the project. Publication of an updated Mineral Resource estimate is now expected in early October 2018, subject to the receipt of all outstanding assay results.
Sissingué Exploitation Permit – Zanikan Prospect (Refer to Figure 1)
At Zanikan, 20km south of the Sissingué gold mining operation, Perseus has completed 30 air core (“AC”) drill holes for 1,983m to cover an area of strong gold-in-soil anomalism and extensive artisanal mining of gold mineralised quartz stockworks. This recent AC drilling was designed to undercut previous rotary air blast (“RAB”) drilling and investigate the stockwork mineralisation at greater depths (refer to Figure 2 ). Three holes from this program returned significant results, including:
| Hole | Intercept |
|---|---|
| ZNAC010 | 61m @ 1.11g/t from surface and ending in mineralisation, including: ▪ 16m @ 1.56g/t Au from surface, including: -4m @ 2.02g/t Au from 4m -4m @ 2.96g/t Au from 12m ▪ 8m @ 1.56g/t Au from 24m ▪ 4m @ 1.75g/t Au from 40m ▪ [email protected]/t Au from 52m(EOH) |
| ZNAC005 | 12m @ 1.27g/t Au from 32m, including 4m @ 2.3g/t |
| ZNAC009 | 4m @ 3.42g/t Au from 48m |
Perseus Mining Limited ABN 27 106 808 986 Level 2, 437 Roberts Road Subiaco WA 6008 PO Box 1578 Subiaco WA 6008 Telephone: +61 8 6144 1700 Facsimile: +61 8 6144 1799 Email: [email protected] Website: www.perseusmining.com
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The results appear to indicate multiple steeply west-dipping mineralised structures over an open ended 200 metre strike length. (Refer to cross sections shown in Figures 3-5.) Perseus is planning further AC and reverse circulation (“RC”) drilling to infill, extend and undercut the coverage between and along strike from the recent drilling at the conclusion of the current wet season. A complete summary of the recent Zanikan drilling, including 11 holes drilled at the nearby Gbeni prospect (best intersection 8m @ 0.5g/t Au from GBAC004) is included in Appendix A - Table 1 .
Mahalé Exploration Permit – Fimbiasso South Prospect (Refer to Figure 1)
At Mahalé, 40km southwest of Sissingué, 195 AC drill holes totalling 5,586m were drilled, focussing on the southern section of the Fimbiasso granite where 2017 RAB hole MHRB057 intersected 12m @ 1.67 g/t Au. Results from this program were partially reported in Perseus’s June 2018 Quarter Report released to the ASX on 13 July 2018. Since then, Perseus has received further results from the drill program, confirming the prospectivity of this zone, including:
| Hole | Intercept |
|---|---|
| MHAC1017 | 15m @ 1.23g/t Au from 16m,[email protected]/t,endingin mineralisation |
| MHAC1016 | 5m @ 0.81g/t Au from 28m, ending in mineralisation. |
| MHAC1028 | 8m @ 1.19 g/t Au from 16m, including 4m @ 2.05g/t. |
| MHAC1027 | 8m @ 0.92g/t Au from 8m. |
| MHAC1025 | 4m @ 1.38g/t Au from 20m. |
Geological interpretation suggests mineralisation identified at Fimbiasso South is similar to that found at the Fimbiasso East and West deposits (previously Bélé East and West – Refer to Figure 6 ), which have a combined JORC Inferred Mineral Resource Estimate of 1.9Mt at 2.0g/t gold for 130,000oz gold.
Recent drilling has confirmed gold mineralisation over at least 300 metres which remains open along strike in both directions, with a possible subparallel zone approximately 100m to the south (Refer to Figure 7 ). Perseus will undertake additional AC and RC drilling to infill, extend and undercut the coverage between and along strike from the recent drilling following the end of the current wet season. A complete summary of the recent Mahalé drilling is included in Appendix A - Table 2 .
Yaouré Exploration Permit – Yaouré and CMA Deposits
The Yaouré DFS identified targets with potential to increase the Yaouré Project’s Mineral Resources and Ore Reserves. By the end of July 2018, Perseus completed the first stage of drilling, targeting high priority targets. The program included 47 holes for 4,597m of RC drilling and 3,849m of core drilling at CMA, 54 holes for 4,896m of RC drilling at Yaouré pit south and 28 holes for 1,930m of RC drilling at Y2 South ( Figure 8 and 9 ).
While many of the assay results from the drilling programme remain outstanding, including significant further assays from AC drilling of the CMA-NE zone, the initial results from the program, shown in cross section in Figures 10 to 13, include the following:
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| Hole | Intercept |
|---|---|
| CMA Pit South | |
| YRC1205D | [email protected]/t Au from 170m |
| YRC1208D | [email protected]/t Au from 131m and [email protected]/t Au from 139m |
| YRC1209D | [email protected]/t Au from 162m and [email protected]/t Au from 173m |
| YRC1210D | [email protected]/t Au from 171m |
| YRC1220 | [email protected]/t Au from 84m,[email protected]/t Au from 85m. |
| CMA Pit North | |
| YRC1223D | [email protected]/t Au from 208m,[email protected]/t Au from 213m |
| YRC1229D | 7m @ 3.51g/t Au from 153m and 12m @ 3.6g/t Au from 218m, including 4m @ 6.89g/t Au from 224m |
| YRC1231D | [email protected]/t Au from 97m |
| YRC1241D | [email protected]/t Au from 301m,[email protected]/t Au from 302m |
| YRC1242D | [email protected]/t Au from 282m |
| Yaouré Pit South | |
| YRC1249 | [email protected]/t Au from 3m,[email protected]/t Au from 3m |
| YRC1263 | [email protected]/t Au from 10m,[email protected]/t Au from 22m |
| YRC1282 | [email protected]/t Au from 114m |
| YRC1297 | [email protected]/t Au from,23m including1m@>100g/t Au from 23m |
| YRC1299 | [email protected]/t Au from 95m. |
| Y2 South | |
| YRC1300 | [email protected]/t Au from 51m |
| YRC1306 | 5m@11g/t Au from 18m,[email protected]/t Au from 19m |
| YRC1308 | [email protected]/t Au from 32m |
| YRC1311 | [email protected]/t Au from 62m,[email protected]/t Au from 66m |
| YRC1317 | [email protected]/t Au from 81m |
| YRC1320 | [email protected]/t Au from 57m,including2m@15g/t Au from 59m. |
Remaining assay results are expected by the end of August 2018 and will be used to update Yaouré’s Mineral Resources and Ore Reserve estimates. This work is expected to be complete late in the September 2018 Quarter.
A complete summary of the recent Yaouré drilling is included in Appendix A - Tables 3A – 3D.
Perseus Managing Director and Chief Executive Officer Jeff Quartermaine said:
“We are certainly encouraged by the recent exploration results at Zanikan and Fimbiasso South and are planning further work to follow these results up as soon as weather permits. An increase in the mine life of Sissingué through the addition of further Mineral Resources to the mine’s inventory will materially add to the value of this asset and based on the results achieved to date, this now appears achievable.”
“Our drilling at Yaouré has also produced strong results and updating Yaouré’s Mineral Resource and Ore Reserve estimates is our next priority as this should further improve the already attractive economics of developing this outstanding project into our third gold mine and will enhance the project’s appeal to prospective financiers.”
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To discuss any aspect of this announcement, please contact:
Managing Director: Jeff Quartermaine at telephone +61 8 6144 1700 or email [email protected];
Media Relations:
Nathan Ryan at telephone +61 4 20 582 887 or email [email protected] (Melbourne)
Competent Person Statement:
The information in this report and the attachments that relate to exploration drilling results at the Sissingué and Fimbiasso Project is based on, and fairly represents, information and supporting documentation prepared by Dr Douglas Jones, a Competent Person who is a Chartered Professional Geologist. Dr Jones is the Group General Manager Exploration of the Company. Dr Jones has sufficient experience, which is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’”) and to qualify as a “Qualified Person” under National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”). Dr Jones consents to the inclusion in this report of the matters based on his information in the form and context in which it appears.
The information in this report and the attachments that relate to resource definition drilling results at the Yaouré Gold Project were compiled by Mr Gary Brabham, F AusIMM, MAIG, a Competent Person who is a Resource Geologist. Mr Brabham is an employee of the Company and has sufficient experience, which is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’”) and to qualify as a “Qualified Person” under National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43101”). Mr Brabham consents to the inclusion in this report of the matters based on his information in the form and context in which it appears.
Caution Regarding Forward Looking Information:
This report contains forward-looking information which is based on the assumptions, estimates, analysis and opinions of management made in light of its experience and its perception of trends, current conditions and expected developments, as well as other factors that management of the Company believes to be relevant and reasonable in the circumstances at the date that such statements are made, but which may prove to be incorrect. Assumptions have been made by the Company regarding, among other things: the price of gold, continuing commercial production at the Edikan Gold Mine without any major disruption, development of a mine at Tengrela, the receipt of required governmental approvals, the accuracy of capital and operating cost estimates, the ability of the Company to operate in a safe, efficient and effective manner and the ability of the Company to obtain financing as and when required and on reasonable terms. Readers are cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been used by the Company. Although management believes that the assumptions made by the Company and the expectations represented by such information are reasonable, there can be no assurance that the forward-looking information will prove to be accurate. Forward-looking information involves known and unknown risks, uncertainties, and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any anticipated future results, performance or achievements expressed or implied by such forward-looking information. Such factors include, among others, the actual market price of gold, the actual results of current exploration, the actual results of future exploration, changes in project parameters as plans continue to be evaluated, as well as those factors disclosed in the Company's publicly filed documents. The Company believes that the assumptions and expectations reflected in the forward-looking information are reasonable. Assumptions have been made regarding, among other things, the Company’s ability to carry on its exploration and development activities, the timely receipt of required approvals, the price of gold, the ability of the Company to operate in a safe, efficient and effective manner and the ability of the Company to obtain financing as and when required and on reasonable terms. Readers should not place undue reliance on forward-looking information. Perseus does not undertake to update any forward-looking information, except in accordance with applicable securities laws.
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Figure 1: Sissingué Gold Project and Mahalé Permits and Prospects
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Figure 2: Zanikan Prospect: historical and recent RAB and AC drilling
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Figure 3: Zanikan section 1,138,020mN
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Figure 4: Zanikan Section 1,138,120mN
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Figure 5: Zanikan Section 1,138,220mN
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Figure 6: Fimbiasso prospects on RTP ground magnetics image.
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Figure 7: Fimbiasso South: AC & RAB drilling with trend of mineralization, on RTP ground
magnetics image.
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Figure 8: In-Fill Drilling Targets for Resource Extensions at Yaouré – Oblique view looking NW DFS Pit Designs (grey), Pit Shell at $1,200/oz including Inferred Resources (yellow)
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Figure 9: Yaouré and CMA deposits - Drill hole Location Plan (2018 holes in red and previous
drilling in grey)
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Figure 10: CMA Pit South Drill hole Locations
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Figure 11: Drill hole Intercepts CMA Pit South on Line 776635N
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Figure 12: CMA Pit North Drill hole Locations
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Figure 13: Drill hole Intercepts in CMA North on Line 777760N
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waste
DFS pit design 4m @ 4.52g/t
4m @ 3.48g/t
1m @ 10.02g/t
I+I pit shell
8m @ 4.56g/t
9m @ 1.93g/t
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Figure 14: Yaouré Pit South Drill hole Locations
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Figure 15: Drill hole Intercepts in Yaouré Pit South on Line 776435N
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Figure 16: Y2 South Drill hole Locations
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Figure 17: Drill hole Intercepts in Y2 South on Line 777010N
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[email protected]/t
[email protected]/t
[email protected]/t
[email protected]/t
[email protected]/t
[email protected]/t
[email protected]/t
I+I pit shell
[email protected]/t
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APPENDIX A – DETAILED DRILL RESULTS
Table 1: Zanikan - Gbeni drill holes and significant intercepts
| Hole_ID | East | North | Drill Type | Azimuth | Dip | From | To | Width | Au g/t |
|---|---|---|---|---|---|---|---|---|---|
| (mE) | (mN) | (°) | (°) | (m) | (m) | (m) | |||
| ZNAC001 | 802753 | 1138218 | AC | 90 | -55 | NSI | |||
| ZNAC002 | 802783 | 1138219 | AC | 90 | -55 | NSI | |||
| ZNAC003 | 802817 | 1138219 | AC | 90 | -55 | 64 | 68 | 4 | 0.57 |
| ZNAC004 | 802855 | 1138222 | AC | 90 | -55 | 0 | 4 | 4 | 0.64 |
| ZNAC005 | 802889 | 1138219 | AC | 90 | -55 | 0 | 4 | 4 | 0.61 |
| 32 | 44 | 12 | 1.27 | ||||||
| ZNAC006 | 802922 | 1138217 | AC | 90 | -55 | 44 | 52 | 8 | 0.55 |
| ZNAC007 | 802963 | 1138219 | AC | 90 | -55 | NSI | |||
| ZNAC008 | 802998 | 1138219 | AC | 90 | -55 | 20 | 24 | 4 | 0.52 |
| ZNAC009 | 802894 | 1138121 | AC | 90 | -55 | 32 | 36 | 4 | 0.58 |
| 48 | 52 | 4 | 3.42 | ||||||
| ZNAC010 | 802936 | 1138124 | AC | 90 | -55 | 0 | 16 | 16 | 1.56 |
| 24 | 32 | 8 | 1.56 | ||||||
| 40 | 44 | 4 | 1.75 | ||||||
| 52 | 61 | 9 | 2.21 | ||||||
| ZNAC011 | 802972 | 1138119 | AC | 90 | -55 | NSI | |||
| ZNAC012 | 802865 | 1138018 | AC | 90 | -55 | 48 | 51 | 3 | 0.62 |
| ZNAC013 | 802892 | 1138020 | AC | 90 | -55 | 0 | 4 | 4 | 0.98 |
| ZNAC013 | 802892 | 1138020 | AC | 90 | -55 | NSI | |||
| ZNAC014 | 802930 | 1138020 | AC | 90 | -55 | NSI | |||
| ZNAC015 | 802964 | 1138020 | AC | 90 | -55 | NSI | |||
| ZNAC016 | 802994 | 1138020 | AC | 90 | -55 | NSI | |||
| ZNAC017 | 803025 | 1138021 | AC | 90 | -55 | NSI | |||
| ZNAC018 | 803049 | 1138021 | AC | 90 | -55 | NSI | |||
| ZNAC019 | 803101 | 1138019 | AC | 270 | -55 | NSI | |||
| GBAC001 | 802025 | 1132800 | AC | 90 | -55 | NSI | |||
| GBAC002 | 802066 | 1132798 | AC | 90 | -55 | NSI | |||
| GBAC003 | 802114 | 1132798 | AC | 90 | -55 | NSI | |||
| GBAC004 | 802156 | 1132799 | AC | 90 | -55 | 28 | 36 | 8 | 0.5 |
| GBAC005 | 802203 | 1132801 | AC | 90 | -55 | NSI | |||
| GBAC006 | 802255 | 1132802 | AC | 90 | -55 | NSI | |||
| GBAC007 | 802305 | 1132800 | AC | 90 | -55 | NSI | |||
| GBAC008 | 802172 | 1132766 | AC | 0 | -55 | NSI | |||
| GBAC009 | 802168 | 1132809 | AC | 0 | -55 | NSI |
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| Hole_ID | East | North | Drill Type | Azimuth | Dip | From | To | Width | Au g/t |
|---|---|---|---|---|---|---|---|---|---|
| (mE) | (mN) | (°) | (°) | (m) | (m) | (m) | |||
| GBAC010 | 802173 | 1132851 | AC | 0 | -55 | NSI | |||
| GBAC011 | 802170 | 1132730 | AC | 0 | -55 | NSI |
Table 2: Mahalé drill holes and significant intercepts
| Hole_ID | East | North | Drill Type | Azimuth | Dip | From | To | Width | Au g/t |
|---|---|---|---|---|---|---|---|---|---|
| (mE) | (mN) | (°) | (°) | (m) | (m) | (m) | |||
| MHAC1006 | 768850 | 1134220 | AC | 360 | -55 | 4 | 8 | 4 | 0.88 |
| MHAC1007 | 768850 | 1134238 | AC | 360 | -55 | NSI | |||
| MHAC1008 | 768850 | 1134259 | AC | 360 | -55 | NSI | |||
| MHAC1009 | 768850 | 1134277 | AC | 360 | -55 | NSI | |||
| MHAC1010 | 768850 | 1134297 | AC | 360 | -55 | NSI | |||
| MHAC1011 | 768950 | 1134210 | AC | 360 | -55 | NSI | |||
| MHAC1012 | 768950 | 1134221 | AC | 360 | -55 | NSI | |||
| MHAC1013 | 768950 | 1134232 | AC | 360 | -55 | NSI | |||
| MHAC1014 | 768950 | 1134242 | AC | 360 | -55 | NSI | |||
| MHAC1015 | 768950 | 1134252 | AC | 360 | -55 | NSI | |||
| MHAC1016 | 768950 | 1134262 | AC | 360 | -55 | 28 | 33 | 5 | 0.81 |
| MHAC1017 | 768950 | 1134280 | AC | 360 | -55 | 16 | 31 | 15 | 1.23 |
| MHAC1018 | 768650 | 1134300 | AC | 360 | -55 | NSI | |||
| MHAC1019 | 768650 | 1134321 | AC | 360 | -55 | NSI | |||
| MHAC1020 | 768650 | 1134339 | AC | 360 | -55 | NSI | |||
| MHAC1021 | 768650 | 1134350 | AC | 360 | -55 | NSI | |||
| MHAC1022 | 769050 | 1134180 | AC | 360 | -55 | NSI | |||
| MHAC1023 | 769050 | 1134187 | AC | 360 | -55 | NSI | |||
| MHAC1024 | 769050 | 1134197 | AC | 360 | -55 | NSI | |||
| MHAC1025 | 769050 | 1134206 | AC | 360 | -55 | 20 | 23 | 3 | 1.39 |
| MHAC1026 | 769050 | 1134216 | AC | 360 | -55 | NSI | |||
| MHAC1027 | 769050 | 1134226 | AC | 360 | -55 | 8 | 20 | 12 | 0.73 |
| MHAC1028 | 769050 | 1134239 | AC | 360 | -55 | 16 | 24 | 8 | 1.19 |
| MHAC1029 | 769050 | 1134254 | AC | 360 | -55 | 0 | 4 | 4 | 0.57 |
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Table 3A – CMA South Pit Area Drilling - intercepts above 0.5g/t
| HoleID | East | North | Elev | Azimuth | Dip | From m | To m | Length | Au g/t | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1205D | 221566.992 | 776634.905 | 304.372 | 270 | -60 | 170 | 174.35 | 4.35 | 4.88 | 21.2 | CMAfw1 | |
| YRC1206D | 221511.704 | 776635.029 | 299.172 | 270 | -60 | 138.55 | 142 | 3.45 | 4.48 | 15.5 | CMAfw1 | |
| including | 138.55 | 140.42 | 1.87 | 7.71 | 14.4 | |||||||
| YRC1207D | 221565.373 | 776685.107 | 301.689 | 270 | -60 | 166 | 168 | 2 | 4.88 | 9.8 | CMAfw1 | |
| YRC1208D | 221517.308 | 776685.039 | 298.815 | 270 | -60 | 130.8 | 134 | 3.2 | 6.31 | 20.2 | CMAhw | |
| YRC1208D | 139 | 147.7 | 8.7 | 7.26 | 63.2 | CMAfw1 | ||||||
| YRC1209D | 221571.397 | 776735.008 | 302.670 | 270 | -60 | 162 | 165 | 3 | 7.32 | 22.0 | CMAhw | |
| YRC1209D | 173 | 183 | 10 | 7.23 | 72.4 | CMAfw1 | ||||||
| YRC1210D | 221572.973 | 776785.042 | 307.739 | 270 | -60 | 171 | 177 | 6 | 7.95 | 47.7 | CMAfw1 | |
| YRC1211 | 221565.568 | 776434.964 | 297.315 | 270 | -60 | 31 | 43 | 12 | 1.36 | 16.3 | unnamed | |
| YRC1212 | 221512.463 | 776435.068 | 291.254 | 270 | -60 | 27 | 29 | 2 | 3.57 | 7.1 | unnamed | |
| YRC1213 | 221505.736 | 776460.030 | 294.619 | 270 | -60 | 20 | 28 | 8 | 1.15 | 9.2 | unnamed | |
| YRC1214 | 221532.573 | 776460.026 | 296.755 | 270 | -60 | 19 | 24 | 5 | 1.17 | 5.9 | unnamed | |
| YRC1215 | 221557.798 | 776460.100 | 297.557 | 270 | -60 | NSI | ||||||
| YRC1216 | 221581.055 | 776460.032 | 297.821 | 270 | -60 | 23 | 30 | 7 | 0.90 | 6.3 | unnamed | |
| YRC1217 | 221538.041 | 776434.911 | 294.165 | 270 | -60 | 45 | 48 | 3 | 2.26 | 6.8 | unnamed | |
| YRC1218 | 221375.771 | 776484.980 | 279.970 | 270 | -60 | 26 | 32 | 6 | 2.01 | 12.0 | unnamed | |
| YRC1218 | 45 | 47 | 2 | 4.90 | 9.8 | unnamed | ||||||
| YRC1219 | 221563.005 | 776485.019 | 294.387 | 270 | -60 | 49 | 53 | 4 | 0.99 | 4.0 | unnamed | |
| YRC1219 | 56 | 58 | 2 | 1.72 | 3.4 | unnamed | ||||||
| YRC1219 | 62 | 64 | 2 | 2.81 | 5.6 | unnamed | ||||||
| YRC1220 | 221437.018 | 776635.015 | 284.610 | 270 | -60 | 84 | 110 | 26 | 6.35 | 165 | CMAfw1 | |
| including | 85 | 101 | 16 | 8.55 | 137 | unnamed | ||||||
| YRC1221 | 221441.512 | 776585.03 | 285.868 | 270 | -60 | 102 | 108 | 6 | 3.01 | 18.0 | CMAfw1 | |
| YRC1248 | 221567.808 | 776435.069 | 297.463 | 270 | -80 | NSI |
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Table 3B – CMA North Pit Area Drilling - intercepts above 0.5g/t
| Hole ID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1222D | 221281.709 | 777735.027 | 251.413 | 270 | -60 | 249 | 254 | 5 | 0.90 | 4.5 | unnamed | |
| YRC1222D | 260 | 262 | 2 | 1.61 | 3.2 | CMAfw1 | ||||||
| YRC1223D | 221437.297 | 777735.09 | 252.532 | 270 | -60 | 208 | 222 | 14 | 5.90 | 82.6 | unnamed | |
| incl | 213 | 221 | 8 | 9.65 | 77.2 | |||||||
| YRC1224D | 221341.859 | 777735.105 | 247.533 | 270 | -60 | assays awaited | ||||||
| YRC1225D | 221313.108 | 777735.007 | 251.76 | 270 | -60 | assays awaited | ||||||
| YRC1226D | 221282.848 | 777710.145 | 252.768 | 270 | -60 | NSI | ||||||
| YRC1227D | 221375.066 | 777737.939 | 248.864 | 270 | -60 | assays awaited | ||||||
| YRC1228D | 221487.242 | 777584.935 | 255.983 | 270 | -60 | 45 | 50 | 5 | 2.16 | 10.8 | unnamed | |
| YRC1228D | 165 | 168 | 3 | 5.77 | 17.3 | CMAhw | ||||||
| incl | 165.4 | 167 | 1.6 | 9.83 | 15.7 | |||||||
| YRC1228D | 216.4 | 220 | 3.6 | 2.57 | 9.3 | CMAfw1 | ||||||
| YRC1229D | 221467.997 | 777634.929 | 254.784 | 270 | -60 | 82 | 84 | 2 | 7.06 | 14.1 | unnamed | |
| YRC1229D | 153 | 160 | 7 | 3.51 | 24.6 | CMAhw | ||||||
| YRC1229D | 218 | 230 | 12 | 3.60 | 43.3 | CMAfw1 | ||||||
| incl | 224 | 228 | 4 | 6.89 | 27.5 | |||||||
| YRC1229D | 280 | 285 | 5 | 1.25 | 6.3 | unnamed | ||||||
| YRC1229D | 302 | 304 | 2 | 4.74 | 9.5 | unnamed | ||||||
| YRC1230D | 221467.983 | 777734.705 | 254.469 | 270 | -60 | NSI | ||||||
| YRC1231D | 221377.008 | 777710.202 | 254.893 | 270 | -60 | 97 | 107 | 10 | 2.2 | 22.0 | partial assays received |
|
| YRC1232D | 221345.427 | 777709.974 | 255.555 | 270 | -60 | assays awaited | ||||||
| YRC1233D | 221364.289 | 777760.108 | 247.762 | 270 | -60 | assays awaited | ||||||
| YRC1234D | 221426.838 | 777760.163 | 251.667 | 270 | -60 | 28 | 32 | 4 | 4.52 | 18.1 | unnamed | partial assays received |
| YRC1235D | 221461.24 | 777759.814 | 252.69 | 270 | -60 | 51 | 55 | 4 | 3.48 | 13.9 | unnamed | partial assays received |
| YRC1236 | 221365.952 | 777785.169 | 247.41 | 270 | -60 | 6 | 9 | 3 | 3.76 | 11.3 | unnamed | |
| incl | 7 | 8 | 1 | 9.22 | 9.2 | |||||||
| YRC1237 | 221399.725 | 777785.408 | 248.704 | 270 | -60 | NSI | ||||||
| YRC1238 | 221459.416 | 777785.293 | 251.851 | 270 | -60 | NSI | ||||||
| YRC1239D | 221435.791 | 777710.285 | 252.224 | 270 | -60 | 53 | 56 | 3 | 3.91 | 11.7 | unnamed | |
| YRC1239D | 204 | 208 | 4 | 5.32 | 21.3 | unnamed | ||||||
| incl | 204.45 | 206 | 1.55 | 12.62 | 19.6 |
Page 17
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| HoleID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1239D | 237 | 246.55 | 9.55 | 1.51 | 14.4 | CMAfw1 | ||||||
| YRC1239D | 249 | 251 | 2 | 1.31 | 2.6 | CMAfw1 | ||||||
| YRC1240D | 221492.342 | 777759.097 | 254.362 | 270 | -58 | 76 | 77 | 1 | 10.02 | 10.0 | unnamed | |
| YRC1241D | 221582.603 | 777735.182 | 257.339 | 270 | -48 | 140 | 143.45 | 3.45 | 1.99 | 6.9 | unnamed | |
| YRC1241D | 301 | 309 | 8 | 4.56 | 36.5 | unnamed | ||||||
| incl | 302.4 | 307 | 4.6 | 7.29 | 33.6 | |||||||
| YRC1241D | 320 | 329 | 9 | 1.93 | 17.4 | CMAfw1 | ||||||
| YRC1242D | 221578.177 | 777721.659 | 257.11 | 265 | -50 | 72 | 77 | 5 | 1.54 | 7.7 | unnamed | |
| YRC1242D | 138.6 | 141 | 2.4 | 4.43 | 10.6 | unnamed | ||||||
| YRC1242D | 282 | 286 | 4 | 9.89 | 39.6 | CMAfw1 | ||||||
| YRC1243D | 221595.62 | 777727.635 | 257.826 | 261 | -60 | 278 | 280 | 2 | 3.6 | 7.2 | unnamed | |
| YRC1243D | 288 | 295 | 7 | 2.55 | 17.8 | CMAfw1 | ||||||
| YRC1244 | 221554.846 | 777784.95 | 254.715 | 270 | -60 | 99 | 102 | 3 | 3.053 | 9.2 | unnamed | |
| YRC1245 | 221493.742 | 777785.199 | 253.334 | 270 | -60 | 64 | 67 | 3 | 6.45 | 19.3 | unnamed | |
| YRC1246D | 221312.721 | 777710.217 | 251.869 | 270 | -60 | assays awaited | ||||||
| YRC1247D | 221144.427 | 777634.654 | 242.096 | 270 | -60 | assays awaited | ||||||
| YRC1331D | 221438.875 | 777709.954 | 252.325 | 270 | -67 | assays awaited | ||||||
| YRC1232D | 221442.004 | 777709.503 | 252.304 | 270 | -73 | assays awaited | ||||||
| YRC1333D | 221402.488 | 777685.926 | 258.094 | 270 | -60 | assays awaited |
Table 3C – Yaouré Pit South Area Drilling - intercepts above 0.5g/t
| HoleID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1249 | 220851.237 | 776533.52 | 254.296 | 270 | -60 | 3 | 7 | 4 | 13.10 | 52.4 | |||
| incl | 3 | 5 | 2 | 24.43 | 48.9 | ||||||||
| YRC1250 | 220779.168 | 776584.405 | 250.393 | 270 | -60 | NSI | |||||||
| YRC1251 | 220965.372 | 776660.093 | 269.872 | 270 | -60 | NSI | |||||||
| YRC1252 | 220885.099 | 776560.062 | 257.663 | 270 | -65 | 31 | 36 | 5 | 1.72 | 8.6 | |||
| YRC1253 | 220859.252 | 776560.147 | 255.091 | 270 | -60 | NSI | |||||||
| YRC1254 | 220879.753 | 776536.438 | 257.877 | 270 | -60 | 30 | 32 | 2 | 2.36 | 4.7 | |||
| YRC1255 | 221015.718 | 776660.339 | 271.437 | 270 | -60 | NSI | |||||||
| YRC1256 | 220990.88 | 776659.736 | 271.293 | 270 | -60 | NSI | |||||||
| YRC1257 | 220961.532 | 776609.893 | 274.383 | 270 | -60 | 10 | 18 | 8 | 1.62 | 13.0 | |||
| incl | 17 | 18 | 1 | 9.17 | 9.2 |
Page 18
==> picture [117 x 36] intentionally omitted <==
| HoleID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1257 | 22 | 31 | 9 | 1.03 | 9.3 | |||||||
| YRC1258 | 220985.581 | 776559.64 | 278.131 | 270 | -60 | 11 | 15 | 4 | 0.60 | 2.4 | ||
| YRC1259 | 220969.675 | 776635.713 | 273.74 | 270 | -60 | 18 | 23 | 5 | 0.75 | 3.8 | ||
| YRC1259 | 45 | 48 | 3 | 0.82 | 2.5 | |||||||
| YRC1260 | 220958.921 | 776584.829 | 276.961 | 270 | -50 | 0 | 3 | 3 | 0.98 | 2.9 | ||
| YRC1260 | 7 | 11 | 4 | 1.20 | 4.8 | |||||||
| YRC1260 | 87 | 89 | 2 | 2.16 | 4.3 | |||||||
| YRC1261 | 220986.393 | 776534.761 | 278.537 | 270 | -60 | 3 | 15 | 12 | 0.89 | 10.7 | ||
| YRC1262 | 220961.949 | 776539.691 | 278.885 | 270 | -60 | 1 | 15 | 14 | 0.87 | 12.2 | ||
| YRC1262 | 31 | 35 | 4 | 1.14 | 4.6 | |||||||
| YRC1262 | 103 | 108 | 5 | 3.45 | 17.3 | |||||||
| incl | 107 | 108 | 1 | 8.61 | 8.6 | |||||||
| YRC1263 | 220961.146 | 776559.648 | 277.857 | 270 | -60 | 10 | 24 | 14 | 2.10 | 29.3 | ||
| incl | 22 | 24 | 2 | 11.13 | 22.3 | |||||||
| YRC1264 | 221011.233 | 776534.768 | 278.911 | 270 | -60 | 12 | 16 | 4 | 0.58 | 2.3 | ||
| YRC1265 | 221036.475 | 776559.764 | 278.484 | 270 | -60 | NSI | ||||||
| YRC1266 | 221013.526 | 776559.539 | 279.454 | 270 | -60 | NSI | ||||||
| YRC1267 | 221002.075 | 776509.881 | 279.718 | 270 | -60 | 107 | 110 | 3 | 1.04 | 3.1 | ||
| YRC1268 | 221035.991 | 776534.794 | 277.791 | 270 | -60 | NSI | ||||||
| YRC1269 | 221027.098 | 776514.873 | 278.515 | 270 | -60 | NSI | ||||||
| YRC1270 | 221051.759 | 776519.194 | 277.82 | 270 | -65 | 2 | 7 | 5 | 0.79 | 4.0 | ||
| YRC1271 | 221018.824 | 776610.031 | 285.063 | 270 | -60 | NSI | ||||||
| YRC1272 | 220997.105 | 776633.518 | 282.447 | 270 | -60 | NSI | ||||||
| YRC1273 | 221020.83 | 776636.23 | 282.68 | 270 | -60 | NSI | ||||||
| YRC1274 | 220996.473 | 776584.92 | 281.755 | 270 | -60 | 7 | 10 | 3 | 0.92 | 2.8 | ||
| YRC1275 | 220990.564 | 776610.086 | 283.573 | 270 | -60 | 31 | 36 | 5 | 1.96 | 9.8 | ||
| YRC1276 | 220952.373 | 776460.122 | 284.084 | 270 | -75 | 36 | 43 | 7 | 1.64 | 11.5 | ||
| YRC1276 | 47 | 51 | 4 | 1.01 | 4.0 | |||||||
| YRC1276 | 61 | 71 | 10 | 1.13 | 11.3 | |||||||
| YRC1277 | 220914.676 | 776477.463 | 282.399 | 270 | -60 | 16 | 29 | 13 | 1.03 | 13.4 | ||
| YRC1277 | 35 | 40 | 5 | 0.92 | 4.6 | |||||||
| YRC1278 | 220887.85 | 776483.66 | 280.13 | 270 | -45 | 54 | 64 | 10 | 1.56 | 15.6 | ||
| YRC1279 | 220909.408 | 776434.979 | 287.732 | 270 | -70 | 76 | 78 | 2 | 4.01 | 8.0 | ||
| incl | 77 | 78 | 1 | 7.16 | 7.2 | |||||||
| YRC1280 | 220891.773 | 776434.759 | 288.208 | 270 | -60 | 7 | 12 | 5 | 0.98 | 4.9 |
Page 19
==> picture [117 x 36] intentionally omitted <==
| HoleID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1281 | 220927.863 | 776609.83 | 268.655 | 270 | -65 | 6 | 16 | 10 | 0.52 | 5.2 | ||
| YRC1282 | 221034.841 | 776480.35 | 280.968 | 270 | -60 | 25 | 27 | 2 | 5.26 | 10.5 | ||
| incl | 25 | 26 | 1 | 9.99 | 10.0 | |||||||
| YRC1282 | 114 | 126 | 12 | 2.36 | 28.3 | |||||||
| incl | 114 | 115 | 1 | 8.89 | 8.9 | |||||||
| and incl | 123 | 124 | 1 | 7.89 | 7.9 | |||||||
| YRC1283 | 221039.659 | 776460.026 | 284.18 | 270 | -60 | 7 | 12 | 5 | 1.51 | 7.6 | ||
| YRC1283 | 96 | 97 | 1 | 12.35 | 12.4 | |||||||
| YRC1284 | 220896.168 | 776509.238 | 275.18 | 270 | -60 | 39 | 43 | 4 | 1.25 | 5.0 | ||
| YRC1285 | 220908.977 | 776507.818 | 275.313 | 270 | -65 | 29 | 33 | 4 | 1.43 | 5.7 | ||
| YRC1286 | 221022.871 | 776480.23 | 281.519 | 270 | -55 | 103 | 105 | 2 | 1.83 | 3.7 | ||
| YRC1287 | 221015.146 | 776460.292 | 285.048 | 270 | -60 | 81 | 83 | 2 | 8.6 | 17.2 | ||
| incl | 82 | 83 | 1 | 16.35 | 16.4 | |||||||
| YRC1288 | 220998.158 | 776460.182 | 285.056 | 270 | -55 | 69 | 71 | 2 | 7.06 | 14.1 | ||
| incl | 69 | 70 | 1 | 13.48 | 13.5 | |||||||
| YRC1288 | 92 | 94 | 2 | 1.17 | 2.3 | |||||||
| YRC1289 | 220974.007 | 776435.429 | 287.297 | 270 | -60 | 58 | 62 | 4 | 1.31 | 5.2 | ||
| YRC1290 | 221033.632 | 776435.262 | 290.804 | 270 | -70 | NSI | ||||||
| YRC1291 | 220966.726 | 776435.323 | 287.6 | 270 | -50 | NSI | ||||||
| YRC1292 | 220948.677 | 776410.207 | 291.596 | 270 | -60 | NSI | ||||||
| YRC1293 | 220941.311 | 776410.195 | 292.114 | 270 | -50 | NSI | ||||||
| YRC1294 | 220973.629 | 776410.234 | 291.813 | 270 | -60 | 39 | 41 | 2 | 4.62 | 9.2 | ||
| YRC1294 | 57 | 60 | 3 | 1.15 | 3.5 | |||||||
| YRC1295 | 220995.547 | 776410.147 | 293.052 | 270 | -60 | 83 | 86 | 3 | 0.98 | 2.9 | ||
| YRC1296 | 220998.025 | 776410.181 | 293.197 | 270 | -73 | 62 | 65 | 3 | 1.31 | 3.9 | ||
| YRC1297 | 221000.042 | 776410.261 | 293.289 | 270 | -85 | 23 | 33 | 10 | 16.15 | 161 | ||
| incl | 23 | 24 | 1 | >100 | 100 | |||||||
| YRC1298 | 221024.315 | 776435.215 | 290.831 | 270 | -60 | 68 | 71 | 3 | 1.41 | 4.2 | ||
| YRC1299 | 220999.244 | 776435.161 | 289.881 | 270 | -60 | 53 | 55 | 2 | 3.20 | 6.4 | ||
| YRC1299 | 60 | 63 | 3 | 0.96 | 2.9 | |||||||
| YRC1299 | 81 | 83 | 2 | 1.31 | 2.6 | |||||||
| YRC1299 | 95 | 96 | 1 | 33.21 | 33.2 | |||||||
Page 20
==> picture [117 x 36] intentionally omitted <==
Table 3D – Y2 South Area Drilling - intercepts above 0.5g/t
| HoleID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1300 | 220532.78 | 777085.31 | 243.134 | 90 | -65 | 51 | 56 | 5 | 4.77 | 23.9 | Y2 | |
| YRC1300 | 62 | 65 | 3 | 4.31 | 12.9 | Y2 | ||||||
| YRC1301 | 220550.065 | 777059.699 | 244.172 | 270 | -70 | 48 | 50 | 2 | 2.01 | 4.0 | Y2 | |
| YRC1302 | 220541.007 | 777060.062 | 244.486 | 270 | -60 | 41 | 44 | 3 | 5.16 | 15.5 | Y2 | |
| incl | 42 | 43 | 1 | 10.44 | 10.4 | |||||||
| YRC1303 | 220516.551 | 777059.9 | 245.281 | 270 | -60 | 34 | 36 | 2 | 4.98 | 10.0 | Y2 | |
| YRC1304 | 220491.947 | 777059.915 | 245.414 | 270 | -60 | NSI | ||||||
| YRC1305 | 220466.176 | 777059.944 | 245.154 | 270 | -60 | NSI | ||||||
| YRC1306 | 220439.405 | 777035.012 | 246.402 | 270 | -60 | 18 | 23 | 5 | 11.02 | 55.1 | Y2 | |
| incl | 19 | 20 | 1 | 35.93 | 35.9 | |||||||
| YRC1307 | 220464.696 | 777031.777 | 246.385 | 270 | -60 | NSI | ||||||
| YRC1308 | 220512.108 | 777035.053 | 245.85 | 270 | -60 | 32 | 40 | 8 | 2.74 | 21.9 | Y2 | |
| YRC1309 | 220501.273 | 777034.844 | 245.897 | 270 | -50 | 31 | 33 | 2 | 2.50 | 5.0 | Y2 | |
| YRC1310 | 220539.489 | 777035.015 | 245.965 | 270 | -60 | NSI | ||||||
| YRC1311 | 220561.298 | 777034.998 | 244.925 | 270 | -60 | 1 | 6 | 5 | 1.61 | 8.1 | unnamed | |
| YRC1311 | 62 | 70 | 8 | 4.58 | 36.7 | Y2 | ||||||
| incl | 66 | 68 | 2 | 10.69 | 21.4 | |||||||
| YRC1312 | 220443.77 | 777009.837 | 247.553 | 270 | -60 | NSI | ||||||
| YRC1313 | 220469.109 | 777010.023 | 246.961 | 270 | -60 | 24 | 28 | 4 | 0.81 | 3.2 | Y2 | |
| YRC1314 | 220493.168 | 777009.819 | 246.523 | 270 | -60 | 32 | 34 | 2 | 3.52 | 7.0 | Y2 | |
| YRC1315 | 220518.267 | 777010.156 | 246.244 | 270 | -60 | 19 | 24 | 5 | 1.56 | 7.8 | unnamed | |
| YRC1315 | 38 | 42 | 4 | 1.09 | 4.4 | unnamed | ||||||
| YRC1315 | 47 | 51 | 4 | 2.34 | 9.4 | Y2 | ||||||
| YRC1316 | 220543.777 | 777009.982 | 246.349 | 270 | -60 | 65 | 67 | 2 | 2.89 | 5.8 | Y2 | |
| YRC1317 | 220568.132 | 777010.096 | 246.15 | 270 | -60 | 69 | 77 | 8 | 1.91 | 15.3 | unnamed | |
| YRC1317 | 81 | 85 | 4 | 4.94 | 19.8 | Y2 | ||||||
| YRC1318 | 220468.483 | 776960.172 | 249.212 | 270 | -60 | 39 | 41 | 2 | 6.23 | 12.5 | Y2 | |
| YRC1319 | 220443.321 | 776985.139 | 248.861 | 270 | -60 | NSI | ||||||
| YRC1320 | 220495.036 | 776959.855 | 249.084 | 270 | -60 | 57 | 62 | 5 | 6.88 | 34.4 | Y2 | |
| incl | 59 | 61 | 2 | 15.02 | 30.0 | |||||||
| YRC1321 | 220526.265 | 776985.011 | 247.388 | 270 | -60 | assays awaited | ||||||
| YRC1322 | 220467.971 | 776985.145 | 248.359 | 270 | -60 | assays awaited | ||||||
| YRC1323 | 220544.445 | 776959.978 | 247.98 | 270 | -60 | assays awaited |
Page 21
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| HoleID | East | North | Elev | Azi | Dip | From m | To m | Length | **Aug/t ** | gxm | Comment 1 | Comment 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YRC1324 | 220419.013 | 776994.253 | 248.56 | 270 | -60 | assays awaited | ||||||
| YRC1325 | 220420.592 | 776960.035 | 250.358 | 270 | -60 | assays awaited | ||||||
| YEC1326 | 220425.855 | 776959.951 | 250.272 | 0 | -90 | assays awaited | ||||||
| YRC1327 | 220520.464 | 776960.013 | 248.746 | 270 | -60 | assays awaited | ||||||
Page 22
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APPENDIX B – JORC TABLE 1 SISSINGUÉ GOLD MINE
JORC Code, 2012 Edition – Table 1 Section 1 Sampling Techniques and Data
| Criteria | JORC Code Explanation | Commentary |
|---|---|---|
| Sampling techniques |
• Nature and quality of sampling (e.g. cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma sondes, or handheld XRF instruments, etc.). These examples should not be taken as limiting the broad meaning of sampling. • Include reference to measures taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used. • Aspects of the determination of mineralisation that are Material to the Public Report. • In cases where ‘industry standard’ work has been done this would be relatively simple (e.g. ‘reverse circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a 30 g charge for fire assay’). In other cases more explanation may be required, such as where there is coarse gold that has inherent sampling problems. Unusual commodities or mineralisation types (e.g. submarine nodules) may warrant disclosure of detailed information. |
• Air Core (AC) drill holes were routinely sampled at 1m intervals down the hole. Samples were collected at the drill rig by riffle splitting drilled material to collect a nominal 2-3 kg sub sample, then composited into 4m samples for assay. Obviously mineralised intervals were submitted as 1m samples. • Routine standard reference material, sample blanks, and sample duplicates were routinely inserted/collected in the sample sequence. • Samples were submitted to Bureau Veritas Cote d’Ivoire for preparation and analysis by 50g Fire Assay. |
| Drilling techniques |
• Drill type (e.g. core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc.) and details (e.g. core diameter, triple or standard tube, depth of diamond tails, face-sampling bit or other type, whether core is oriented and if so, by what method, etc.). |
• Air Core drilling was completed with a 3.5 inch hammer or blade bit. |
| Drill sample recovery |
• Method of recording and assessing core and chip sample recoveries and results assessed. • Measures taken to maximise sample recovery and ensure representative nature of the samples. • Whether a relationship exists between sample recovery and grade and whether sample bias may have occurred due to preferential loss/gain of fine/coarse material. |
• Riffle split samples were weighed to monitor sample recovery • No apparent relation has been observed between sample recovery and grade |
| Logging | • Whether core and chip samples have been geologically and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies. • Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc.) photography. • The total length and percentage of the relevant intersections logged. |
• All drill samples were geologically logged by Company geologists. • Geological logging recorded rock types, the abundance of quartz and sulphides and degree of weathering using a standardized logging system. • Small samples of coarse and sieved AC drill material were preserved in ‘chip trays’ to aid geological logging and for future reference. |
Page 23
==> picture [117 x 36] intentionally omitted <==
| Criteria | JORC Code Explanation | Commentary |
| Sub-sampling techniques and sample preparation |
• If core, whether cut or sawn and whether quarter, half or all core taken. • If non-core, whether riffled, tube sampled, rotary split, etc and whether sampled wet or dry. • For all sample types, the nature, quality and appropriateness of the sample preparation technique. • Quality control procedures adopted for all sub-sampling stages to maximise representivity of samples. • Measures taken to ensure that the sampling is representative of the in situ material collected, including for instance results for field duplicate/second-half sampling. • Whether sample sizes are appropriate to the grain size of the material being sampled. |
• All AC samples were riffle split at the drill rig. • Samples were obtained dry. • Routine field sample duplicates were taken to evaluate representivity of samples with the results stored in the master drill database for reference. • At the Bureau Veritas laboratory, samples were weighed, dried and crushed to -2mm in a jaw crusher. A 1.5kg split of the crushed sample was subsequently pulverised in a ring mill to achieve a nominal particle size of 85% passing 75um. • Sample sizes and laboratory preparation techniques are considered to be appropriate for this stage of gold exploration. |
| Quality of assay data and laboratory tests |
• The nature, quality and appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total. • For geophysical tools, spectrometers, handheld XRF instruments, etc., the parameters used in determining the analysis including instrument make and model, reading times, calibrations factors applied and their derivation, etc. • Nature of quality control procedures adopted (e.g. standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (ie lack of bias) and precision have been established. |
• Analysis for gold was undertaken at Bureau Veritas Cote d’Ivoire lab by 50g Fire Assay with AAS finish to a lower detection limit of 0.01ppm. Fire assay is considered a total assay technique. • No geophysical tools or other non-assay instruments were used in the analyses reported. • QAQC samples nominally -Blanks at 1 in 50 -Certified standards at 1 in 25 -Field duplicates of RC samples at 1 in 50 • Review of standard reference material, sample blanks and duplicates suggest there are no significant analytical bias or preparation errors in the reported analyses. • Internal laboratory QAQC checks are reported by the laboratory and routine review of the laboratory QAQC suggests the laboratory is performing within acceptable limits. |
| Verification of sampling and assaying |
• The verification of significant intersections by either independent or alternative company personnel. • The use of twinned holes. • Documentation of primary data, data entry procedures, data verification, data storage (physical and electronic) protocols. • Discuss any adjustment to assay data. |
• Drill hole data is captured by Company geologists at the drill rig and manually entered into a digital database. • The digital data is verified and validated by the Company’s Data Base Manager before loading into a master drill hole database using acQuire data management software. • The data is stored on a regularly backed-up server. • Reported drill hole intercepts are compiled by the Company’s Group Exploration Manager. • Twin holes were not drilled to verify results. • There were no adjustments to assay data. |
Page 24
==> picture [117 x 36] intentionally omitted <==
| Location of data points |
• Accuracy and quality of surveys used to locate drill holes (collar and down-hole surveys), trenches, mine workings and other locations used in Mineral Resource estimation. • Specification of the grid system used. • Quality and adequacy of topographic control. |
• Drill hole collars were set out in UTM grid_Zone29N for both Sissingué & Mahalé. • Drill hole collars were positioned using hand held GPS, accurate to +/- 2-3m in the horizontal. • AC holes were not surveyed downhole. • Locational accuracy at collar and down the drill hole is considered appropriate for initial positioning, with accurate pick-up of collar positions to follow with DGPS. |
|---|---|---|
| Criteria | JORC Code Explanation | Commentary |
| Data spacing and distribution |
• Data spacing for reporting of Exploration Results. • Whether the data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for the Mineral Resource and Ore Reserve estimation procedure(s) and classifications applied. • Whether sample compositing has been applied. |
• AC holes were drilled heel-to-toe on nominal 100m-spaced fences. • The reported drilling has not been used to estimate any mineral resources or reserves. • Prior to assaying, 1m AC sub-samples were composited by weight to form 4m composites for assaying. |
| Orientation of data in relation to geological structure |
• Whether the orientation of sampling achieves unbiased sampling of possible structures and the extent to which this is known, considering the deposit type. • If the relationship between the drilling orientation and the orientation of key mineralised structures is considered to have introduced a sampling bias, this should be assessed and reported if material. |
• Exploration is at an early stage and the true orientation of mineralisation has not yet been confirmed. |
| Sample security | • The measures taken to ensure sample security. | • Samples were stored in a secure fenced compound at the Company’s Sissingué Gold Mine prior to road transport to the laboratory of Bureau Veritas in Abidjan. |
| Audits or reviews | • The results of any audits or reviews of sampling techniques and data. |
• The Company’s sampling techniques employed in Ivory Coast were last reviewed in a site visit to the Sissingué Gold Project by Snowden mining consultants in December 2016. |
Page 25
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Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
| Criteria | JORC Code Explanation | Commentary | Commentary |
|---|---|---|---|
| Mineral tenement and land tenure status |
• Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. • The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. |
• • • • • • |
Reported AC results from Mahalé relate to exploration permit PR259, currently under application for an Exploitation Permit. The Permit is held by Perseus’s 100% owned subsidiary Occidental Gold SARL Reported AC results from Sissingué relate to Exploitation Permit PE39, valid until 8 August 2022. Perseus holds an 86% interest in PE39 through the Company’s wholly owned subsidiary Perseus Mining Côte d’Ivoire SA. The government of Côte d’Ivoire holds a 10% free carried interest in the property and the remaining 4% interest is held by local joint venture partner Société Minière de Côte d’Ivoire (SOMICI). The Government of Côte d’Ivoire is entitled to a royalty on production as follows: Spot price per ounce - London PM Fix Royalty Rate Less than or equal to US$1000 3% Higher than US$1000 and less than or equal to US$1300 3.5% Higher than US$1300 and less than or equal to US$1600 4% Higher than US$1600 and less than or equal to US$2000 5% Higher than US$2000 6% In respect of Sissingué, Franco Nevada are entitled to a 0.5% royalty on production and Ivorian partners are entitled to a royalty of US$0.80 per ounce. The Mahalé and Sissingué areas have no known environmental liabilities. |
| Exploration done by other parties |
• Acknowledgment and appraisal of exploration by other parties. |
• Historical exploration over the Mahalé and Sissingué permits is limited to regional lag sampling by Randgold Resources during the 1990’s. • This work identified a number of target areas, including the areas reported on in this ASX announcement. |
|
| Criteria | JORC Code Explanation | Commentary | |
| Geology | • Deposit type, geological setting and style of mineralisation. |
• The Mahalé area is largely underlain by mafic volcanics and granites/syenites. • Gold mineralisation is related to altered syenogranite and basalt in contact with the marginal parts of the intrusive, with associated pyrite + magnetite ± quartz veining. • The Sissingué area is dominated by clastic basinal meta- sediments intruded by major felsic (granodioritic) and minor mafic intrusions. • Gold mineralisation occurs predominantly in narrow, stockwork quartz veins within altered metasediments (sericite-carbonate + pyrite±arsenopyrite), often at and/or close to the contacts with plug-like diorite intrusions. |
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| Drill hole Information |
• A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes: o easting and northing of the drill hole colla_ro _elevation or RL (Reduced Level – elevation abovesea level in metres) of the drill hole collar o dip and azimuth of the holeo down hole length and interception deptho hole length• If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the case. |
• Reported results are summarised in Tables 1 & 2 within the attached announcement. • The drill holes reported in this announcement have the following parameters: • Grid co-ordinates are UTM WGS84_29N. • Collar elevation is defined as height above sea level in metres (RL) • Dip is the inclination of the hole from the horizontal. Azimuth is reported in WGS 84_29N degrees as the direction toward which the hole is drilled. • Down hole length of the hole is the distance from the surface to the end of the hole, as measured along the drill trace • Intersection depth is the distance down the hole as measured along the drill trace. • Intersection width is the down hole distance of an intersection as measured along the drill trace • Hole length is the distance from the surface to the end of the hole, as measured along the drill trace. • Previously reported drilling results (pre-2018) have not been repeated in this announcement. |
|---|---|---|
| Data aggregation methods |
• In reporting Exploration Results, weighting averaging techniques, maximum and/or minimum grade truncations (e.g. cutting of high grades) and cut-off grades are usually Material and should be stated. • Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail. • The assumptions used for any reporting of metal equivalent values should be clearly stated. |
• A minimum cut-off grade of 0.3 g/t Au is applied to the reported intervals. • Intervals of Internal dilution (<0.3 g/t Au) within a reported interval cannot exceed 2m. • No grade top cut has been applied. • Samples have been weighted by length of sample interval • No metal equivalent reporting is used or applied. |
| Relationship between mineralisation widths and intercept lengths |
• These relationships are particularly important in the reporting of Exploration Results. • If the geometry of the mineralisation with respect to the drill hole angle is known, its nature should be reported. • If it is not known and only the down hole lengths are reported, there should be a clear statement to this effect (eg ‘down hole length, true width not known’). |
• The reported results are from early stage exploration drilling; the orientation of geological structure is currently not known with certainty. • Results are reported as down hole length, true width is unknown. |
| Diagrams | • Appropriate maps and sections (with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drill hole collar locations and appropriate sectional views. |
• Drill hole plans are shown in Figures 2 & 7. Assay results are tabulated in body text of this announcement |
| Criteria | JORC Code Explanation | Commentary |
| Balanced reporting | • Where comprehensive reporting of all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Exploration Results. |
• Results have been comprehensively reported in this announcement. • All drill holes completed, including holes with no significant gold intersections, are reported. |
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| Other substantive exploration data |
• Other exploration data, if meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; geochemical survey results; bulk samples – size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious or contaminating substances. |
• Since 2013, the Sissingué area has been intensely mined by local artisanal workers. The upper 8-10 vertical metres should be considered depleted and/or severely disturbed. • The Mahalé permit is largely devoid of artisanal workings. • There is no other exploration data which is considered material to the results reported in this announcement. |
|---|---|---|
| Further work | • The nature and scale of planned further work (e.g. tests for lateral extensions or depth extensions or large-scale step-out drilling). • Diagrams clearly highlighting the areas of possible extensions, including the main geological interpretations and future drilling areas, provided this information is not commercially sensitive. |
• Further drilling is warranted to test the strike extensions of the identified zones of mineralisation at Zanikan, Papara Nth and Fimbiasso South. |
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Appendix C: JORC Table 1 – Yaouré Gold Project
Section 1 Sampling Techniques and Data
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Sampling techniques |
• Nature and quality of sampling (e.g. cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as downhole gamma sondes, or handheld XRF instruments, etc.). These examples should not be taken as limiting the broad meaning of sampling. • Include reference to measures taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used. • Aspects of the determination of mineralisation that are Material to the Public Report. • In cases where ‘industry standard’ work has been done this would be relatively simple (e.g. ‘reverse circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a 30 g charge for fire assay’). In other cases more explanation may be required, such as where there is coarse gold that has inherent sampling problems. Unusual commodities or mineralisation types (e.g. submarine nodules) may warrant disclosure of detailed information. |
• Yaouré drill hole data derive from: oAir core (“kit-bit”) drill holes generally drilled at 4” diameter; oReverse circulation percussion (RC) holes generally drilled at approximately 5¼” diameter using a face- sampling hammer; oDiamond core holes generally drilled HQ diameter in weathered materials and NQ or NQ2 diameter in fresh rock; oDiamond core holes with RC pre-collars. • In all air core holes other than those drilled in the Y2 North area samples were collected at 1m intervals, each 1m spear sampled and the spear samples composited into 4m intervals. • Air core holes in the Y2 North area were sampled at 1m intervals and riffle split to produce a subsample of 2.4 – 3kg for submission for assay. • RC drill samples are collected at 1m intervals and riffle split to produce a subsample of 2.5 – 4kg for submission for assay. • Diamond core samples are halved and one half submitted for assay. • Air core holes are sampled in entirety. • RC and core holes drilled prior to 2017 were generally sampled in entirety. Fill material encountered in 2017 holes and 2018 has not been sampled. • RC and core holes drilled prior to 2017 were sampled in entirety, including through mine backfill. In holes drilled in 2017 and 2018 backfill material has not been sampled. RC holes have been otherwise sampled in entirety. Diamond core has been selectively sampled through intervals displaying alteration and mineralisation and for several metres above and below such intervals. |
| Drilling techniques |
• Drill type (e.g. core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc.) and details (e.g. core diameter, triple or standard tube, depth of diamond tails, face-sampling bit or other type, whether core is oriented and if so, by what method, etc.). |
• Air core (“kit-bit”) drill holes generally drilled at 4” diameter; • Reverse circulation percussion (RC) holes generally drilled at approximately 5¼” diameter using a face-sampling hammer. • Diamond core holes generally drilled HQ diameter in weathered materials and NQ diameter in fresh rock. • Diamond core in weakly weathered and fresh rock is oriented by means of digital orientation devices (Reflex tool or similar). |
| Drill sample recovery |
• Method of recording and assessing core and chip sample recoveries and results assessed. • Measures taken to maximise sample recovery and ensure representative nature of the samples. • Whether a relationship exists between sample recovery and grade and whether sample bias may have occurred due to preferential loss/gain of fine/coarse material. |
• In all air core holes other than those drilled in the Y2 North area samples recoveries were not measured. • Air core holes in the Y2 North area were sampled at 1m intervals and riffle split to produce a subsample of 2.4 – 3kg for submission for assay. Each entire recovered sample is weighed and each subsample is weighed before and after drying. The condition (dry, damp, wet) of each sample is recorded. • RC drill samples are collected at 1m intervals and riffle split to produce a subsample of 2.5 – 4kg for submission for assay. Each entire recovered sample is weighed and each subsample is weighed before and after drying. The condition (dry, damp, wet) of each sample is recorded. • Length of recovered diamond core is measured and recovery calculated based on run length. Core recoveries in weathered |
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| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| materials are generally greater than 85%; core recovery in fresh rock is near 100%. • There is no evident relationship between sample recovery and grade for diamond drilling. |
||
| Logging | • Whether core and chip samples have been geologically and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies. • Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc.) photography. • The total length and percentage of the relevant intersections logged. |
• Air core and RC drill samples are logged for weathering, oxidation, rock type, alteration and mineralisation. Sieved chip samples are retained in plastic trays for future reference and all chip trays are photographed. • Prior to cutting, diamond drill core is logged for weathering, oxidation, rock type, alteration, veining, mineralisation and structure. Oriented core is also logged for geotechnical parameters. • Whole core is photographed wet and dry. • Logging is considered appropriate and reliable. |
| Sub-sampling techniques and sample preparation |
• If core, whether cut or sawn and whether quarter, half or all core taken. • If non-core, whether riffled, tube sampled, rotary split, etc. and whether sampled wet or dry. • For all sample types, the nature, quality and appropriateness of the sample preparation technique. • Quality control procedures adopted for all sub-sampling stages to maximise representivity of samples. • Measures taken to ensure that the sampling is representative of the in situ material collected, including for instance results for field duplicate/second-half sampling. • Whether sample sizes are appropriate to the grain size of the material being sampled. |
• In all air core holes other than those drilled in the Y2 North area samples were collected at 1m intervals, each 1m spear sampled and the spear samples composited into 4m intervals. • Air core holes in the Y2 North area were sampled at 1m intervals and riffle split to produce a subsample of 2.4 – 3kg for submission for assay. • RC drill samples are collected at 1m intervals and riffle split to produce a subsample of 2.5 – 4kg for submission for sample preparation and assay. Each subsample is weighed before and after drying. • Diamond core is sawn in half using a motorized diamond blade saw; right half sent for assaying, left half stored in core trays for reference. Core in weathered materials may be halved using a knife or similar. • Perseus, and previously Amara, run an on-site sample preparation laboratory. Both core and RC chips are dried, crushed to -2mm and a riffle split portion of approximately 1.5kg pulverised with a puck mill (LM2). • Quartz wash samples are used between every sample in both crushing and pulverising stages. • The sample pulp is thoroughly mixed on a rolling mat and 200 g of sub-sample collected. Internal laboratory checks are undertaken to ensure a grind of at least 90% passing -75 µm is maintained. • Sample pups are then packed into cardboard boxes for transport to the assay laboratory. • The sampling and sub-sampling procedures are considered appropriate and to meet or exceed industry norms. |
| Quality of assay data and laboratory tests |
• The nature, quality and appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total. • For geophysical tools, spectrometers, handheld XRF instruments, etc., the parameters used in determining the analysis including instrument make and model, reading times, calibrations factors applied and their derivation, etc. • Nature of quality control procedures adopted (e.g. standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (i.e. lack of bias) and precision have been established. |
• All air core, RC and core samples have been assayed by commercial laboratories using 50g standard fire assay. • Duplicate field splits of air core RC samples are submitted at a ratio of 1:25. • Field duplicates of core samples are not submitted. • Blanks inserted at 1:25. • Certified standards at 1:25 • Quartz wash samples are routinely composited and assayed. • Internal laboratory standards, duplicates and repeats and various other tests have been carried out throughout the drilling programs. • Assays of reference standards and blanks are routinely monitored and any laboratory batch that returns assays out of specification is re-assayed in entirety. • Qualitycontrolprocedures are considered to exceed industry |
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| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| norms. | ||
| Verification of sampling and assaying |
• The verification of significant intersections by either independent or alternative company personnel. • The use of twinned holes. • Documentation of primary data, data entry procedures, data verification, data storage (physical and electronic) protocols. • Discuss any adjustment to assay data. |
• Gold assays are routinely viewed in conjunction with geological logs and sense checked against results from adjacent holes. • Drill logs and sample interval records are recorded on paper and transcribed into digital form. • Digital data are imported into a relational database with inbuilt validation routines. • All hard copies are filed on site. • Downhole survey data and collar survey data are provided by the drilling contractors and surveyors respectively in digital format. • No adjustments have been made to assay data. The first assay that fulfils QAQC hurdles is the primary database assay. |
| Location of data points |
• Accuracy and quality of surveys used to locate drill holes (collar and downhole surveys), trenches, mine workings and other locations used in Mineral Resource estimation. • Specification of the grid system used. • Quality and adequacy of topographic control. |
• All air core, RC and diamond core hole collar locations have been surveyed by qualified company surveyors using differential GPS equipment. Survey controls were established in 2007 by the Bureau National d’Etudes Techniques et de Developpement Centre de Cartographie et de Télédétection. • RC and diamond core holes drilled since 2012 have been down- hole surveyed, generally at approximately 30 metre depth increments, using single shot digital equipment. Down-hole surveys are routinely sense checked. • Air core holes are not down-hole surveyed. • Grid system used is WGS84 UTM Zone 30N. |
| Data spacing and distribution |
• Data spacing for reporting of Exploration Results. • Whether the data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for the Mineral Resource and Ore Reserve estimation procedure(s) and classifications applied. • Whether sample compositing has been applied. |
• After drilling completed in 2017 and 2018, drill spacing over the Yaouré pit area is mostly 25m x 25m. Drill spacing over the CMA deposit area is mostly 25m x 50m. • Drill hole spacing, in conjunction with open pit exposures, is sufficient to reliably establish the orientation of mineralised structures. • Sample intervals have not been composited prior to calculation of exploration drill intercepts. |
| Orientation of data in relation to geological structure |
• Whether the orientation of sampling achieves unbiased sampling of possible structures and the extent to which this is known, considering the deposit type. • If the relationship between the drilling orientation and the orientation of key mineralised structures is considered to have introduced a sampling bias, this should be assessed and reported if material. |
• Drill holes are oriented so as to intersect the dominant lode structures at a high angle and attain near true width drill intercepts. • There are, however, in Yaouré pit a number of mineralised structures that strike at an angle that is oblique to the orientation of most drill holes. |
| Sample security |
• The measures taken to ensure sample security. |
• Samples from air core, RC and core drilling are processed through an on-site sample preparation laboratory that is supervised by highly experienced and professional Company employees. • Sample pulps are packed in securely fastened boxes that are, in turn, packed in cartons for transport to commercial assay laboratories. • Samples are normally transported from site to the commercial laboratory by personnel of that laboratory. |
| Audits or reviews |
• The results of any audits or reviews of sampling techniques and data. |
• Assay data for holes drilled prior to 2017 were reviewed by Mario E. Rossi FAusIMM of GeoSystems International Inc, the last time being in December 2015. • Sampling techniques and assay data available at 12 September 2017 were reviewed byJonathon Abbott of MPR Geological |
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| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Consultants Pty Ltd. • Drill hole data and assays for drilling completed in 2018 have been reviewed and validated by Gary Brabham and Cissé Amadou, both employees of Perseus Mining. |
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Section 2 Reporting of Exploration Results
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Mineral tenement and land tenure status |
• Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. • The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. |
• The Yaouré Gold Project is covered by exploration permit (PR) 397, held by Perseus Yaouré sarl, a subsidiary of Perseus Mining Limited. • PR 397 covers an area of 53.21 sq km and is valid to 30 November 2018. • The government of Côte d’Ivoire retains the right to a 10% free carried interest upon grant of an exploitation licence. |
| Exploration done by other parties |
• Acknowledgment and appraisal of exploration by other parties. |
• Artisanal mining is known to have taken place at Yaouré (previously Angovia) since prior to 1913. • Modern exploration commenced in 1983 with work by Bureau de Recherches Géologiques et Minières. • The CMA deposits were mined in a heap leach operation by Compagnie Minière d’Afrique between 1999 and 2003. CMA reportedly processed 1.9Mt @ 3.9g/t Au from three open pits. • Cluff Gold plc (later Amara Mining plc) acquired the Yaouré project in 2004 and produced 54,382 oz of gold from the Yaouré pit, mined between 2008 and 2011. • Between 2009 and 2015 Cluff (later Amara) completed 149,862 metres of appraisal drilling in 651 holes in the Yaouré mine area in addition to drillingat outlying prospects. |
| Geology | • Deposit type, geological setting and style of mineralisation. |
• The Yaouré gold deposits are orogenic lode deposits hosted by Birimian (Palaeoproterozoic) greenstone rocks. • Gold mineralisation is hosted by shear zones and brittle faults featuring quartz and quartz-carbonate veining in basalts. A limited proportion of mineralisation occurs in sheeted veins hosted by a granodiorite intrusive body. • Gold is closely associated with pyrite that occurs as veinlets and disseminations within veins and in altered wall rocks. • Gold mineralogy is simple. Cyanide leach tests indicate no appreciable component of refractory gold. |
| Drill hole Information |
• A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes: • Easting and northing of the drill hole collar. • Elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole collar. • Dip and azimuth of the hole. • Downhole length and interception depth. • Hole length. • If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the case. |
• Drill intercepts are displayed on cross-sections and drill hole locations on a plan. • Drill intercepts together with hole collar locations, orientations and total depths are listed in tables. • Not all drill hole assays are tabulated. Being an advanced stage project with in excess of 1000 drill holes completed by Perseus and previous companies it is not considered feasible or reasonable to tabulate all drill intercepts. • Intercepts in holes drilled by Perseus are presented in conjunction with comments that describe the context of the intercepts. • The Competent Person is satisfied that the results presented are representative of appraisal drilling results to date. |
| Data aggregation |
• In reporting Exploration Results, weighting averaging techniques, maximum and/or minimum |
• The drill intercepts presented have been consistently calculated as length-weighted average grades. |
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| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| methods | grade truncations (e.g. cutting of high grades) and cut-off grades are usually Material and should be stated. • Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail. • The assumptions used for any reporting of metal equivalent values should be clearly stated. |
• Short, high-grade intervals that significantly affect the average grade of aggregate intercepts are included in the table of intercepts. |
| Relationship between mineralisation widths and intercept lengths |
• These relationships are particularly important in the reporting of Exploration Results. • If the geometry of the mineralisation with respect to the drill hole angle is known, its nature should be reported. • If it is not known and only the downhole lengths are reported, there should be a clear statement to this effect (e.g. ‘downhole length, true width not known’). |
• Drill holes are oriented so as to intersect the dominant lode structures at a high angle and attain near true width drill intercepts. • There are, however, in Yaouré pit a number of mineralised structures that strike at an angle that is oblique to the orientation of most drill holes. |
| Diagrams | • Appropriate maps and sections (with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drill hole collar locations and appropriate sectional views. |
• A drill hole location plan and cross-sections are included in the report. |
| Balanced reporting |
• Where comprehensive reporting of all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Exploration Results. |
• Not all drill hole assays are tabulated. Being an advanced stage project with in excess of 1000 drill holes completed by Perseus and previous companies it is not considered feasible or reasonable to tabulate all drill intercepts. • Intercepts in holes drilled by Perseus are presented in conjunction with comments that describe the context of the intercepts. • The Competent Person is satisfied that the results presented are representative of appraisal drilling results to date. |
| Other substantive exploration data |
• Other exploration data, if meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; geochemical survey results; bulk samples – size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious or contaminating substances. |
• Gold mineralogy is simple. Cyanide leach tests indicate no appreciable component of refractory gold. • Multi-element assays and comprehensive metallurgical test work conducted to date indicate that there are no deleterious substances associated with Yaouré gold mineralisation. |
| Further work | • The nature and scale of planned further work (eg tests for lateral extensions or depth extensions or large-scale step-out drilling). • Diagrams clearly highlighting the areas of possible extensions, including the main geological interpretations and future drilling areas, provided this information is not commercially sensitive. |
• The work that is reported herein comprises appraisal drilling pursuant to an update of the Mineral Resources and Mineral Reserves and other aspects of the proposed Yaouré mine development. • Drilling results will form the basis for future estimation of Mineral Resources and Mineral Reserves. |
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