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LCL RESOURCES LIMITED — Capital/Financing Update 2019
Dec 22, 2019
65217_rns_2019-12-22_4fcfd765-8abd-407f-b217-f1247c90b77e.pdf
Capital/Financing Update
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ASX Announcement, 23 December 2019
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Third hole at Chuscal intersects vein grading 31.8 g/t gold
Highlights:
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-
Third hole (CHDDH003) intercepts high grade vein-related gold in zones that correlate to modelled horsetail structures. Best gold intercepts[1] include:
-
6m @ 2.97g/t Au from 250m including a 0.4m high grade vein from 253.3m grading 31.8g/t Au
-
2m @ 1.73g/t Au from 124m
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8.1 m @ 1.2g/t Au from 294m to end of hole and occurring with massive course grained galena and sphalerite[2] .
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- Above-mentioned intercept at 250m down-hole corresponds to near-surface historical artisanal stope suggesting potential significant structural continuity.
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Further validation of the importance of the horsetail feature and 6 E-W trending structural corridors as the controlling structure for epithermal gold mineralisation.
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Hole CHDDH004 completed at 370m. Assays expected mid-January.
Metminco Limited ( ASX: MNC ), soon to be renamed Los Cerros Limited , is pleased to advise that it has received preliminary gold results for CHDDH003, the third hole of the maiden drill program at the Chuscal[3] gold target in the Mid-Cauca Porphyry Belt of Colombia (Figure 1 & 2, Table 1 and Annex 1).
The 3rd hole successfully intercepted a number of high grade vein-related gold in zones which correlate with our modelled horsetail structures, a key feature which appears to be driving the distribution of high grade gold through the mineralised system.
Best intercepts included:
-
6m @ 2.97g/t Au from 250m including a 0.4m high grade vein from 253.3m grading 31.8 g/t
-
2m @ 1.73g/t Au from 124m
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8.1 m @ 1.2g/t Au from 294m to end of hole and occurring with massive course grained galena and sphalerite[2] .
Notably, the 6m @ 2.97 g/t Au intercept encountered at 250m down hole and intense fracturing corresponds with the historic near-surface artisanal mining, suggesting potential for significant structural continuity over a large vertical extent.
1 Using a 0.5 g/t Au lower cut-off and maximum 4m internal dilution for gold. All widths quoted are intercept widths, not true widths, as there is insufficient information at this stage of exploration to know the geometries within the system.
2 Based on visual filed logs only, multi-element assays remain pending.
3 The Chuscal Gold Target is a JV with AngloGold Ashanti Colombia SA. Metminco can earn 51% through US$2.5M of exploration expenditure (see ASX Announcement 6 December 2018). Metminco is the manager of the JV.
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Whilst multi-element results remain pending, the interpretative outcomes of CHDDH003 thus far are summarised as follows:
-
Defined a strike extent of ~500m from hole CHDDH002 to CHDDH003 for the horsetail structure that controls the distribution of epithermal gold throughout the Chuscal prospect (Figure 1). The horsetail structure remains open along strike in both NW and SE directions.
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The Corporacion Diorite shows considerable potential to host significant epithermal mineralisation:
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a. The intercept at 250m is within the diorite and is potentially the depth extent of near-surface, worked veins suggesting the Corporacion horsetail vein has significant vertical extent.
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b. The mineralisation encountered in the last 8m of the hole remains open and occurs with massive sulphides and sericite alteration. Interestingly, the shallow vein dip and orientation is similar to the relatively flat lying high grade veins exploited by artisanal miners at the nearby Guyacanes mine and may be a repeat of this structure. The drill hole was stopped early to reduce risk of losing drill rods due to a combination of mechanical issues and difficult drilling conditions encountered.
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c. Surface samples from the Corporacion Diorite and horsetail structure reported the highest surface sample results in the Chuscal district to date[4] including grab samples up to 49.4 g/t Au.
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d. Former artisanal miners reported the Corporacion workings as being the best grade in the Chuscal district.
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Horsetail mined
near surface and
intercepted at
250m down hole
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Figure 1: Plan view of Chuscal geology, interpreted mineralised corridors, horsetail structure and drill hole locations.
4 First announced by the Company on 6 December 2018. The Company confirms that it is not aware of any new information that affects the information contained in this release.
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Artisanal mine near
surface
6m @ 2.97g/t Au from
250m including 0.4m @
31.8g/t from 353.3m
2m @1.73g/t Au from
124m
8m @ 1.2g/t Au from
294m to EOH
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Figure 2: Cross Section of hole CHDDH003 with interpreted geology.
| Hole | Easting | Northing | RL (m) | Azimuth | Dip | EOH |
|---|---|---|---|---|---|---|
| CHDDH001 | 423456 | 582685 | 1310 | 060º | -60º | 452m |
| CHDDH002 | 423564 | 582609 | 1260 | 345º | -60º | 412m |
| CHDDH003 | 423425 | 583071 | 1226 | 216º | -50º | 302m |
| CHDDH004 | 423501 | 582760 | 1355 | 340º | -60º | 370m |
Table 1: Chuscal drillhole information .
Drill Hole CHDDH004, has also been completed for a total of 370m with assays due mid-January. Visible logs from the field have confirmed that hole #4 has intercepted 3 horsetail structures.
Metminco’s Managing Director, Jason Stirbinskis concluded:
“There is mounting evidence to suggest we are in a big, complex system, which is not surprising given the size and complexity of discoveries around us of the same age and style, some of global significance such as Nuevo Chaquiro and La Colosa gold porphyries together with other porphyry/epithermal systems within the Quinchia Project such as Tesorito, Miraflores and Dosquebradas.
Heading into our 2020 program, we will now use our new found learnings from the 2019 drill program to target higher grade epithermal regions and vector in on the porphyries that are the source of all the mineralisation we’ve encountered.
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As a first step outstanding assay results from CHDDH003 and CHDDH004 will be integrated into a district scale 3D geological and structural model, covering the Chuscal, Tesorito, Miraflores and Dosquebradas porphyry/epithermal systems, which will provide valuable information to design a follow up program in early 2020.
Internationally recognised porphyry consultant Dr Steve Garwin will oversee the study. Dr Garwin previously consulted to Andes Resources Ltd’s project located 70km north of Quinchia[5] and currently consults to Solgold Plc (Cascabel Project in Ecuador) and Hot Chili Ltd (Cortadera Project in Chile).
For the purpose of ASX Listing Rule 15.5, the Board has authorised for this announcement to be released.
For further enquiries contact:
Jason Stirbinskis Managing Director Metminco Limited [email protected]
5 Metminco acquired Andes Resources Ltd in August 2019.
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ANNEX 1: Gold assay results CHDDH003
| Sample ID | From(m) | To(m) | Quick log | Au(g/t) | Sample ID | From(m) | To(m) | Quick log | Au(g/t) | |
|---|---|---|---|---|---|---|---|---|---|---|
| D-29765 | 0.0 | 2.0 | Saprolite | 0.15 | D-29843 | 120.0 | 122.0 | Monzanite | 0.94 | |
| D-29766 | 2.0 | 4.0 | Saprolite | 0.2 | D-29844 | 122.0 | 124.0 | Monzanite | 1 | |
| D-29767 | 4.0 | 6.0 | Saprolite | 0.26 | D-29845 | 124.0 | 126.0 | Monzanite | 1.73 | |
| D-29768 | 6.0 | 8.0 | Andesite | 0.39 | D-29846 | 126.0 | 128.0 | Monzanite | 0.14 | |
| D-29769 | 8.0 | 10.0 | Monzanite | 0.13 | D-29847 | 128.0 | 130.0 | Monzanite | 0.2 | |
| D-29770 | 10.0 | 12.0 | Monzanite | 0.13 | D-29848 | 130.0 | 132.0 | Monzanite | 0.11 | |
| D-29771 | 12.0 | 14.0 | Monzanite | 0.1 | D-29849 | 132.0 | 134.0 | Monzanite | 0.09 | |
| D-29772 | 14.0 | 16.0 | Andesite | 0.04 | D-29850 | 134.0 | 136.0 | Monzanite | 0.07 | |
| D-29773 | 16.0 | 18.0 | Andesite | 0.08 | D-29851 | 136.0 | 138.0 | Monzanite | 0.08 | |
| D-29774 | 18.0 | 19.0 | Monzanite | 0.24 | D-29852 | 138.0 | 140.0 | Monzanite | 0.19 | |
| D-29775 | 19.0 | 20.0 | Monzanite | 0.07 | D-29853 | 140.0 | 142.0 | Monzanite | 0.09 | |
| D-29776 | 20.0 | 21.0 | Monzanite | 0.17 | D-29854 | 142.0 | 144.0 | Breccia | 0.11 | |
| D-29777 | 21.0 | 22.0 | Monzanite | 0.28 | D-29855 | 144.0 | 146.0 | 145.5 Contact | 0.39 | |
| D-29778 | 22.0 | 24.0 | Monzanite | 0.08 | D-29856 | 146.0 | 148.0 | Diorite | 0.07 | |
| D-29779 | 24.0 | 26.0 | Monzanite | 0.06 | D-29857 | 148.0 | 150.0 | Diorite | 0.06 | |
| D-29780 | 26.0 | 28.0 | Monzanite | 0.07 | D-29858 | 150.0 | 151.0 | Diorite | 0.09 | |
| D-29781 | 28.0 | 29.0 | Monzanite | 0.08 | D-29859 | 151.0 | 152.0 | Diorite | 0.17 | |
| D-29782 | 29.0 | 30.0 | Monzanite | 0.08 | D-29860 | 152.0 | 153.0 | Diorite | 0.39 | |
| D-29783 | 30.0 | 31.0 | Monzanite | 0.23 | D-29861 | 153.0 | 154.0 | Diorite | 0.14 | |
| D-29784 | 31.0 | 32.0 | Monzanite | 0.04 | D-29862 | 154 | 156 | 154.4 Contact | 0.09 | |
| D-29785 | 32.0 | 34.0 | Monzanite | 0.04 | D-29863 | 156 | 158 | Breccia | 0.14 | |
| D-29786 | 34.0 | 36.0 | Monzanite | 0.05 | D-29864 | 158 | 160 | 157.2 Contact | 0.41 | |
| D-29787 | 36.0 | 38.0 | Monzanite | 0.06 | D-29865 | 160 | 162 | Diorite | 0.28 | |
| D-29788 | 38.0 | 40.0 | Monzanite | 0.08 | D-29866 | 162 | 164 | Diorite | 0.35 | |
| D-29789 | 40.0 | 41.0 | Monzanite | 0.1 | D-29867 | 164 | 166 | Diorite | 0.07 | |
| D-29790 | 41.0 | 42.0 | Monzanite | 0.09 | D-29868 | 166 | 168 | Diorite | 0.12 | |
| D-29791 | 42.0 | 43.0 | Monzanite | 0.05 | D-29870 | 168 | 170 | Diorite | 0.1 | |
| D-29792 | 43.0 | 44.0 | Monzanite | 0.07 | D-29871 | 170 | 172 | Diorite | 0.37 | |
| D-29793 | 44.0 | 46.0 | Andesite | 0.15 | D-29872 | 172 | 173.4 | Andesite | 0.09 | |
| D-29794 | 46.0 | 48.0 | Monzanite | 0.1 | D-29873 | 173.4 | 174 | Qtz - PyVein | 1.08 | |
| D-29795 | 48.0 | 50.0 | Monzanite | 0.11 | D-29874 | 174 | 175 | Breccia | 0.24 | |
| D-29796 | 50.0 | 52.0 | Monzanite | 0.05 | D-29875 | 175 | 176 | Breccia | 0.32 | |
| D-29797 | 52.0 | 54.0 | Andesite | 0.06 | D-29876 | 176 | 177 | Breccia | 0.1 | |
| D-29798 | 54.0 | 55.0 | Andesite | 0.09 | D-29877 | 177 | 178 | Breccia | 0.09 | |
| D-29799 | 55.0 | 56.0 | Andesite | 0.03 | D-29878 | 178 | 179 | Breccia | 0.09 | |
| D-29800 | 56.0 | 58.0 | Andesite | 0.03 | D-29879 | 179 | 180 | Breccia | 0.37 | |
| D-29801 | 58.0 | 60.0 | Andesite | 0.03 | D-29880 | 180 | 182 | Breccia | 0.22 | |
| D-29803 | 60.0 | 61.0 | Andesite | 0.03 | D-29881 | 182 | 184 | Breccia | 0.04 | |
| D-29804 | 61.0 | 62.0 | Andesite | 0.05 | D-29882 | 184 | 186 | Breccia | 0.09 | |
| D-29805 | 62.0 | 63.0 | Andesite | 0.06 | D-29883 | 186 | 188 | Breccia | 0.08 | |
| D-29806 | 63.0 | 64.0 | Monzanite | 0.14 | D-29884 | 188 | 190 | Breccia | 0.36 | |
| D-29807 | 64.0 | 65.0 | 64.5 Contact | 0.15 | D-29885 | 190 | 192 | Breccia | 0.03 | |
| D-29808 | 65.0 | 66.0 | Andesite | 0.08 | D-29887 | 192 | 194 | Breccia | 0.04 | |
| D-29809 | 66.0 | 67.0 | Andesite | 0.07 | D-29888 | 194 | 196 | Breccia | 0.09 | |
| D-29810 | 67.0 | 68.0 | Andesite | 0.1 | D-29889 | 196 | 198 | Breccia | 0.49 | |
| D-29811 | 68.0 | 69.0 | Andesite | 0.07 | D-29890 | 198 | 200 | Breccia | 0.15 | |
| D-29812 | 69.0 | 70.0 | Andesite | 0.22 | D-29891 | 200 | 202 | Breccia | 0.02 | |
| D-29813 | 70.0 | 71.0 | Andesite | 0.05 | D-29892 | 202 | 204 | Breccia | 0.06 | |
| D-29814 | 71.0 | 72.0 | Andesite | 0.09 | D-29893 | 204 | 206 | Breccia | 0.1 | |
| D-29816 | 72.0 | 74.0 | 72.2 Contact | 0.04 | D-29894 | 206 | 208 | Breccia | 0.07 | |
| D-29817 | 74.0 | 76.0 | Monzanite | 0.07 | D-29895 | 208 | 210 | 208.8 contact | 0.14 | |
| D-29818 | 76.0 | 78.0 | Monzanite | 0.03 | D-29896 | 210 | 212 | Diorite | 0.09 | |
| D-29819 | 78.0 | 80.0 | Monzanite | 0.02 | D-29897 | 212 | 214 | Diorite | 0.14 | |
| D-29820 | 80.0 | 82.0 | Monzanite | 0.08 | D-29898 | 214 | 215.8 | Diorite | 0.09 | |
| D-29821 | 82.0 | 84.0 | Monzanite | 0.03 | D-29899 | 215.8 | 216.4 | Qts - PyVein | 0.75 | |
| D-29822 | 84.0 | 86.0 | Monzanite | 0.09 | D-29900 | 216.4 | 218 | 216.05 Contact | 0.05 | |
| D-29823 | 86.0 | 88.0 | 86.9 Aplite | 0.05 | D-29901 | 218 | 220 | Diorite | 0.02 | |
| D-29824 | 88.0 | 90.0 | Monzanite | 0.07 | D-29902 | 220 | 222 | Diorite | 0.01 | |
| D-29825 | 90.0 | 92.0 | Monzanite | 0.2 | D-29903 | 222 | 223 | Diorite | 0.05 | |
| D-29826 | 92.0 | 94.0 | Monzanite | 0.14 | D-29904 | 223 | 224 | Diorite | 0.04 | |
| D-29827 | 94.0 | 96.0 | Monzanite | 0.06 | D-29905 | 224 | 225 | Diorite | 0.11 | |
| D-29828 | 96.0 | 98.0 | Monzanite | 0.09 | D-29906 | 225 | 226 | Diorite | 0.1 | |
| D-29829 | 98.0 | 100.0 | Monzanite | 0.11 | D-29907 | 226 | 227 | Diorite | 0.15 | |
| D-29830 | 100.0 | 102.0 | Monzanite | 0.04 | D-29908 | 227 | 228 | Diorite | 0.14 | |
| D-29831 | 102.0 | 104.0 | Monzanite | 0.09 | D-29909 | 228 | 229 | Diorite | 0.1 | |
| D-29832 | 104.0 | 106.0 | Monzanite | 0.06 | D-29910 | 229 | 230 | Diorite | 0.11 | |
| D-29833 | 106.0 | 108.0 | Monzanite | 0.84 | D-29912 | 230 | 232 | Diorite | 0.1 | |
| D-29834 | 108.0 | 110.0 | Monzanite | 0.99 | D-29913 | 232 | 234 | Diorite | 0.08 | |
| D-29835 | 110.0 | 112.0 | Monzanite | 0.06 | D-29914 | 234 | 236 | Diorite | 0.05 | |
| D-29836 | 112.0 | 114.0 | Monzanite | 0.1 | D-29915 | 236 | 238 | Diorite | 0.12 | |
| D-29837 | 114.0 | 114.7 | 0.2mQtz-Pyvein | 0.51 | D-29916 | 238 | 239 | Diorite | 0.09 | |
| D-29838 | 114.7 | 116.0 | Monzanite | 0.23 | D-29917 | 239 | 240 | Diorite | 0.17 | |
| D-29840 | 116.0 | 118.0 | Monzanite | 0.09 | D-29919 | 240 | 241 | Diorite | 0.1 | |
| D-29842 | 118.0 | 120.0 | Monzanite | 0.12 | D-29920 | 241 | 242 | Diorite | 0.1 |
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| Sample ID | From(m) | To(m) | Quick log | Au(g/t) |
|---|---|---|---|---|
| D-29921 | 242 | 243 | Diorite | 0.37 |
| D-29922 | 243 | 244 | Diorite | 0.78 |
| D-29923 | 244 | 246 | Diorite | 0.06 |
| D-29924 | 246 | 248 | Diorite | 0.1 |
| D-29925 | 248 | 250 | Diorite | 0.06 |
| D-29926 | 250 | 252 | Diorite | 0.22 |
| D-29927 | 252 | 252.8 | Diorite | 0.11 |
| D-29929 | 252.8 | 253.3 | Diorite | 5.8 |
| D-29930 | 253.3 | 253.7 | Py-Sph-Ga Vein | 31.8 |
| D-29931 | 253.7 | 255 | Diorite | 0.65 |
| D-29932 | 255 | 256 | Diorite | 0.83 |
| D-29933 | 256 | 257 | Diorite | 0.27 |
| D-29934 | 257 | 258 | Diorite | 0.46 |
| D-29935 | 258 | 259 | Diorite | 0.51 |
| D-29937 | 259 | 260 | Diorite | 0.83 |
| D-29938 | 260 | 262 | Diorite | 0.55 |
| D-29939 | 262 | 264 | Diorite | 1.31 |
| D-29940 | 264 | 266 | Diorite | 0.11 |
| D-29941 | 266 | 268 | Diorite | 0.27 |
| D-29942 | 268 | 270 | Diorite | 0.13 |
| D-29943 | 270 | 272 | Diorite | 0.19 |
| D-29944 | 272 | 274 | Diorite | 0.79 |
| D-29945 | 274 | 276 | Diorite | 0.04 |
| D-29946 | 276 | 278 | Diorite | 0.19 |
| D-29947 | 278 | 280 | Diorite | 0.05 |
| D-29948 | 280 | 282 | Diorite | 0.11 |
| D-29949 | 282 | 284 | Diorite | 0.1 |
| D-29950 | 284 | 286 | Diorite | 0.07 |
| D-29951 | 286 | 288 | Diorite | 0.13 |
| D-29952 | 288 | 290 | Diorite | 0.22 |
| D-29953 | 290 | 292 | Diorite | 0.06 |
| D-29954 | 292 | 294 | Diorite | 0.09 |
| D-29955 | 294 | 296 | Diorite | 0.95 |
| D-29957 | 296 | 297 | 296.6 Contact | 1.46 |
| D-29958 | 297 | 298 | Fault - Vein | 1.21 |
| D-29959 | 298 | 299 | Fault - Vein | 1.15 |
| D-29960 | 299 | 300 | Fault - Vein | 0.75 |
| D-29961 | 300 | 301 | Fault - Vein | 1.61 |
| D-29962 | 301 | 302.1 | Fault - Vein | 1.74 |
JORC STATEMENTS - COMPETENT PERSONS STATEMENTS
The technical information related to Metminco’s assets contained in this report that relates to Exploration Results (excluding those pertaining to Mineral Resources and Reserves) is based on information compiled by Mr Cesar Garcia, who is a Member of the Australasian Institute of Mining and Metallurgy and who is a Geologist employed by Metminco on a full-time basis. Mr Garcia has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration, and to the activity which he is undertaking, 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’. Mr Garcia consents to the inclusion in the release of the matters based on the information he has compiled in the form and context in which it appears.
The Company is not aware of any new information or data that materially affects the information included in this release.
FORWARD LOOKING STATEMENTS This document contains forward looking statements concerning Metminco. Forwardlooking statements are not statements of historical fact and actual events and results may differ materially from those described in the forward-looking statements as a result of a variety of risks, uncertainties and other factors. Forward-looking statements are inherently subject to business, economic, competitive, political and social uncertainties and contingencies. Many factors could cause the Company’s actual results to differ materially from those expressed or implied in any forward-looking information provided by the Company, or on behalf of the Company. Such factors include, among other things, risks relating to additional funding requirements, metal prices, exploration, development and operating risks, competition, production risks, regulatory restrictions, including environmental regulation and liability and potential title disputes. Forward looking statements in this document are based on Metminco’s beliefs, opinions and estimates of Metminco as of the dates the forward-looking statements are made, and no obligation is assumed to update forward looking statements if these beliefs, opinions and estimates should change or to reflect other future developments. 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. Forwardlooking 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 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. Readers should not place undue reliance on forward-looking information. The Company does not undertake to update any forward-looking information, except in accordance with applicable securities laws. No representation, warranty or undertaking, express or implied, is given or made by the Company that the occurrence of the events expressed or implied in any forward-looking statements in this presentation will actually occur.
JORC Code, 2012 Edition – Table 1 report template
Section 1 Sampling Techniques and Data
(Criteria in this section apply to all succeeding sections.)
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Sampling | • Nature and quality of sampling (eg cut channels, random | •Diamond drilling is carried out to produce HQ3 core. |
| techniques | chips, or specific specialised industry standard | •Following verification of the integrity of sealed core boxes and the core within |
| measurement tools appropriate to the minerals under | them at the Metminco core shed in Quinchia, the core is ‘quick logged’ by a | |
| investigation, such as down hole gamma sondes, or | Project Geologist and marked for sampling. Following the marking of the cutting | |
| handheld XRF instruments, etc). These examples should | line and allocation of sample numbers, allowing for insertion of QA/QC samples, | |
| not be taken as limiting the broad meaning of sampling. | the core is cut by employees in the company’s facility within the core-shed. | |
| • Include reference to measures taken to ensure sample | •Nominally core is cut in half and sampled on 2m intervals, however the interval | |
| representivity and the appropriate calibration of any | may be reduced by the Project Geologist based on the visual ‘quick log’. | |
| measurement tools or systems used. | •Samples are bagged in numbered calico sacks and these placed in heavy duty | |
| • Aspects of the determination of mineralisation that are | plastic bags with the sample tag. Groups of 5 samples are bagged in a hessian | |
| Material to the Public Report. | sack, labelled and sealed, for transport. | |
| • In cases where ‘industry standard’ work has been done this | •Sample preparation is carried out by ALS Laboratory in Medellin where the | |
| would be relatively simple (eg ‘reverse circulation drilling | whole sample is crushed to -2mm and then 1kg split for pulverising to - | |
| was used to obtain 1 m samples from which 3 kg was | 75micron. | |
| pulverised to produce a 30 g charge for fire assay’). In other | •Splits are then generated for fire assay (Au-AA26) and analyses for an | |
| cases more explanation may be required, such as where | additional 48 elements using multi-acid (four acid) digest with ICP finish (ME- | |
| there is coarse gold that has inherent sampling problems. | MS61) at ALS’s laboratory in Lima, Peru. | |
| Unusual commodities or mineralisation types (eg submarine | ||
| nodules) may warrant disclosure of detailed information. | ||
| Drilling | • Drill type (eg core, reverse circulation, open-hole hammer, | •The maiden drilling program at Chuscal is a diamond drilling program collecting |
| techniques | rotary air blast, auger, Bangka, sonic, etc) and details (eg | HQ3 diameter core along the length of the hole. In the case of operational |
| core diameter, triple or standard tube, depth of diamond | necessity, this will be reduced to NQ core. Triple tubes are used to collect the | |
| tails, face-sampling bit or other type, whether core is | core and, where ground conditions permit, core orientation is conducted on a | |
| oriented and if so, by what method, etc). | regular basis. | |
| Drill sample | • Method of recording and assessing core and chip sample | •The drillers are required to meet a minimum recover rate of +90%. |
| recovery | recoveries and results assessed. | •On site, the drill crew are responsible for labelling (wood spacer block) the |
| • Measures taken to maximise sample recovery and ensure | beginning and end depth of each drill run plus actual and expected recovery in | |
| representative nature of the samples. | meters. This and other field processes are audited on a daily basis. | |
| • Whether a relationship exists between sample recovery and | •On receipt of the core boxes in the core shed facility at the Quinchia camp, the | |
| grade and whether sample bias may have occurred due to | coreisvisuallyverifiedfor inconsistenciesin labelling, degree of fracturing |
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Doc ID 692920873/v1
| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| preferential loss/gain of fine/coarse material. | (core breakage versus natural), lithology progression, core orientation marks | ||
| etc. If the core meets the required conditions a term of acceptance is signed. | |||
| • | The Core is then cleaned, core pieces are orientated and joined, lengths and | ||
| labelling are verified, and geotechnical observations made. The core box is | |||
| then photographed. | |||
| • | Orientated sections of core are aligned, and a geologic log prepared. | ||
| • | Following logging, sample intervals are determined and marked up and the | ||
| cutting line transferred to the core. | |||
| • | Core quality is, in general high and far exceeding minimum recovery | ||
| conditions. | |||
| Logging | • Whether core and chip samples have been geologically and | • | Logging is carried out visually by the Project Geologists focusing on lithology, |
| geotechnically logged to a level of detail to support | structure, alteration and mineralization characteristics. Initially a ‘quick log’ is | ||
| appropriate Mineral Resource estimation, mining studies | carried out to guide sampling and this is then followed by detailed logging. The | ||
| and metallurgical studies. | level of logging is appropriate for exploration and initial resource estimation | ||
| • Whether logging is qualitative or quantitative in nature. Core | evaluation. | ||
| (or costean, channel, etc) photography. | • | All core is photographed following the initial verification on receipt of the core | |
| • The total length and percentage of the relevant intersections | boxes and then again after the ‘quick log’, cutting and sampling. Ie half core. | ||
| logged. | • | All core is logged and sampled, nominally on 1m and 2m intervals respectively | |
| but in areas of interest more dense logging and sampling may be undertaken. | |||
| • | On receipt of the multi-element geochemical data this is interpreted for | ||
| consistency with the geologic logging. | |||
| Sub-sampling | • If core, whether cut or sawn and whether quarter, half or all |
• | After logging and definition of sample intervals by the geologist, the marked |
| techniques | core taken. | core is cut in half using a diamond saw in a specially designed facility on site. All | |
| and sample | • If non-core, whether riffled, tube sampled, rotary split, etc | core is cut and sampled. The standard sample interval is 2m but may be varied | |
| preparation | and whether sampled wet or dry. | by the geologist to reflect lithology, alteration or mineralization variations. | |
| • For all sample types, the nature, quality and | • | As appropriate, all half or quarter core generated for a specific sample interval is | |
| appropriateness of the sample preparation technique. | collected and bagged. The other half of the core remains in the core box as a | ||
| • Quality control procedures adopted for all sub-sampling | physical archive. | ||
| stages to maximise representivity of samples. | • | The large size (4-8kg) of individual samples and continuous sampling of the drill | |
| • Measures taken to ensure that the sampling is | hole, provides representative samples for exploration activities. | ||
| representative of the in situ material collected, including for | • | Through the use of QA/QC sample procedure in this phase of drilling, any | |
| instance results for field duplicate/second-half sampling. | special sample preparation requirements eg due to unexpectedly coarse gold, | ||
| • Whether sample sizes are appropriate to the grain size of | will be identified and addressed prior to the resource drilling phase. | ||
| _the material being sampled. _ | |||
| Quality of | • The nature, quality and appropriateness of the assaying and | • |
All samples are prepared at the ALS Medellin facility using industry accepted |
| assay data | laboratory procedures used and whether the technique is | preparation procedures. Pulps for assay and analysis are sent to their facility in | |
| and | consideredpartial or total. | Lima Peru. |
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| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| laboratory | • For geophysical tools, spectrometers, handheld XRF | • | Gold assays are obtained using a lead collection fire assay technique (Au- |
| tests | instruments, etc, the parameters used in determining the | AA26) and analyses for an additional 48 elements using multi-acid (four acid) | |
| analysis including instrument make and model, reading | digest with ICP finish (ME-MS61) at ALS’s laboratory in Lima, Peru. | ||
| times, calibrations factors applied and their derivation, etc. | • | Fire assay for gold is considered a “total” assay technique. | |
| • Nature of quality control procedures adopted (eg standards, | • | An acid (4 acid) digest is considered a total digestion technique. However, for | |
| blanks, duplicates, external laboratory checks) and whether | some resistant minerals, not considered of economic value at this time, the | ||
| acceptable levels of accuracy (ie lack of bias) and precision | digestion may be partial e.g. Zr, Ti etc. | ||
| have been established. | • | No field non-assay analysis instruments were used in the analyses reported. | |
| • | Metminco uses certified reference material, blank samples and field duplicates | ||
| inserted into the sample sequence to verify both preparation and analytical | |||
| quality. | |||
| • | Results from the Metminco QA/QC samples are reviewed by Metminco for | ||
| indications of any significant analytical bias or preparation errors in analyses | |||
| reported by the Laboratory. | |||
| • | The Laboratory also carries out internal laboratory QA/QC checks which are | ||
| also reported and reviewed as part of the Metminco QA/QC analysis. The | |||
| geochemical data is only accepted where the analyses are performed within | |||
| acceptable industry standard limits. | |||
| Verification of | • The verification of significant intersections by either |
• | All digital data received is verified and validated by the Company’s Competent |
| sampling and | independent or alternative company personnel. | Person before loading into the assay database. | |
| assaying | • The use of twinned holes. | • | Over limit gold or base metal samples are re-analysed using appropriate, |
| • Documentation of primary data, data entry procedures, data | alternative analytical techniques. (Au-Grav22 50g and OG46). | ||
| verification, data storage (physical and electronic) protocols. | • |
Reported results are compiled by the Company’s geologists and verified by the | |
| • Discuss any adjustment to assay data. | Company’s database administrator and exploration manager. | ||
| • | No adjustments to assay data were made. | ||
| Location of | • Accuracy and quality of surveys used to locate drill holes | • | The drill hole is located using a handheld GPS and Lider DTM. This has an |
| data points | (collar and down-hole surveys), trenches, mine workings | approximate accuracy of 3-5m which is considered sufficient at this stage of | |
| and other locations used in Mineral Resource estimation. | exploration. | ||
| • Specification of the grid system used. | • | On completion of the drilling program, the collars of all holes will be surveyed | |
| • Quality and adequacy of topographic control. | using high precision survey equipment. | ||
| • | Downhole deviations of the drill hole are evaluated on a regular basis and | ||
| recorded in a drill hole survey file to allow plotting in 3D. | |||
| • | The grid system is WGS84 UTM Z18N. | ||
| Data spacing | • Data spacing for reporting of Exploration Results. | • | The interpretation of surface mapping and sampling relies on correlating |
| and | • Whether the data spacing and distribution is sufficient to | isolated points of information that are influenced by factors such as weathering, | |
| distribution | establish the degree of geological and grade continuity | accessibility and sample representativity. This impacts on the reliability of | |
| appropriate for the Mineral Resource and Ore Reserve | interpretations which are stronglyinfluenced bythe experience of thegeologic |
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Doc ID 692920873/v1
| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| estimation procedure(s) and classifications applied. | team. Structures, lithologic and alteration boundaries based on surficial | ||
| • Whether sample compositing has been applied. | information are interpretations based on the available data and will be refined as | ||
| more data becomes available during the exploration program. | |||
| • | It is only with drilling, that provides information in the third dimension, that the | ||
| geologic model can be refined. | |||
| Orientation of | • Whether the orientation of sampling achieves unbiased | • | This is the first drilling program at Chuscal. To date the extent and reliability of |
| data in | sampling of possible structures and the extent to which this | geologic information is dependent largely on surface observations, which tend | |
| relation to | is known, considering the deposit type. | to be localised and affected by weathering. | |
| geological | • If the relationship between the drilling orientation and the | • | To date, two sets of veining have been identified being around 135° with steep |
| structure | orientation of key mineralised structures is considered to | dip to the SW and 090° with steep to moderate dip to the S. | |
| have introduced a sampling bias, this should be assessed | • | All drillholes are planned to best test the lithologies and structures as known, | |
| and reported if material. | taking into account that steep topography limits alternatives for locating holes. | ||
| • | CHDDH001 is perpendicular to the first vein set and oblique to the second. | ||
| CHDDH002 and CHDDH003 are oblique to the first and perpendicular to the | |||
| second. | |||
| Sample | • The measures taken to ensure sample security. | • | All core boxes are nailed closed and sealed at the drill platform. |
| security | • | On receipt at the Quinchia core shed the core boxes are examined for integrity. | |
| If there are no signs of damage or violation of the boxes, they are opened and | |||
| the core is evaluated for consistency and integrity. Only then is receipt of the | |||
| core formally signed off. | |||
| • | The core shed and all core boxes, samples and pulps are secured in a closed | ||
| Company facility at Quinchia secured by armed guard on a 24/7 basis. | |||
| • | Each batch of samples are transferred in a locked vehicle and driven 165km to | ||
| ALS laboratories for sample preparation in Medellin. The transfer is | |||
| accompanied by a company employee. | |||
| Audits or | • The results of any audits or reviews of sampling techniques | • | n/a at this stage as no audits have been undertaken. |
| reviews | and data. |
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Mineral | • Type, reference name/number, location and ownership | •The Farm-in and JV agreement with AngloGold Ashanti Colombia SA (AGAC) |
| tenement and | including agreements or material issues with third parties |
includes three granted Exploration Titles with AGAC as current beneficial |
| such asjoint ventures, partnerships, overriding royalties, | owner. |
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Doc ID 692920873/v1
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| land tenure | native title interests, historical sites, wilderness or national | •The Exploration Titles were validly issued as Concession Agreements pursuant |
| status | park and environmental settings. | to the Mining Code. |
| • The security of the tenure held at the time of reporting along | •The Concession Agreement grants its holders the exclusive right to explore for | |
| with any known impediments to obtaining a licence to | and exploit all mineral substances on the parcel of land covered by such | |
| operate in the area. | concession agreement. | |
| •There are no outstanding encumbrances or charges registered against the | ||
| Exploration Title at the National Registry. | ||
| Exploration | • Acknowledgment and appraisal of exploration by other | •The first prospecting work that refers to the Chuscal prospect was recorded in |
| done by other | parties. |
1986 by the author Michael GA Hill who reported an average of 4ppm to 5ppm |
| parties | gold in the sector "Loma El Guerrero", which today is known as Chuscal Alto. | |
| There was no detailed geological description or geological map produced. The | ||
| effects of hydrothermal brecciation in dioritic intrusive rocks was noted. | ||
| •In 1995, a Canadian TVX listed company, Minera de Colombia S.A., conducted | ||
| a study in the Quinchia district, focusing on the prospects known at the time | ||
| (Miraflores, La Cumbre, Chuscal and a locality that today is Tesorito). For the | ||
| Chuscal area, three locations with gold mineralization being worked by artisanal | ||
| miners were described, which comprise quartz+limonite veins within pyritic | ||
| argillic alteration zones. | ||
| •AGAC commissioned a brief reconnaissance survey in 2004 from which their | ||
| geologist reported the types of alteration and mineralization were similar to | ||
| AGAC’s model of “Gold-Rich Porphyry Deposits”. | ||
| •AGAC conducted another prospect assessment in March 2005 from which it | ||
| was reported that artisanal miners were working auriferous quartz-pyrite | ||
| stockwork veins, some within porphyritic andesites, that had intruded into the | ||
| Ira Monzonite. The mineralized veins had a strong structural control trending | ||
| NW-SE. | ||
| •AGAC commissioned various reconnaissance exploration campaigns from | ||
| 2005 to 2006 principally focusing on the assessment of the geology exposed in | ||
| the shallow underground openings being developed by artisanal miners. | ||
| •In 2012, Seafield undertook a grid-based C-horizon soil geochemical survey | ||
| and conducted underground rock-chip channel sampling over the Chuscal area | ||
| and within the Guayacanes artisanal workings respectively. | ||
| •In 2013, AGAC commissioned a systematic saprolite and rock-chip sampling | ||
| and mapping program from which it was concluded that the mineralization at | ||
| Chuscal had both porphyry (Au-Cu-Mo) and epithermal (AS-Sb) affinities, with | ||
| phyllic alteration overprinting earlier potassic alteration of porphyritic rocks that | ||
| had intruded an older Monzonite. | ||
| •In 2015,AGAC conducted additional mapping,saprolite and rock-chipsampling |
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Doc ID 692920873/v1
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| detailing the area previously mapped and sampled. | ||
| •In 2019, on completion of the JV Agreement with AGAC, Metminco compiled all | ||
| available historical data with the AGAC database and carried out a detailed re- | ||
| interpretation of the integrated geochemistry and geophysical data generating | ||
| an exploration model used to propose the current drilling program. | ||
| Geology | • Deposit type, geological setting and style of mineralisation. | •The Chuscal gold zone is associated with intrusive stocks and breccias of |
| dioritic composition and probably of Miocene age, that have intruded into the | ||
| large, Cretaceous-age Irra Monzonite. At Chuscal the formation and | ||
| emplacement of the stocks and breccias are associated with significant gold | ||
| rich hydrothermal events, that together produced a NW orientated, 900m by | ||
| 500m zone. (+100ppb Au in soils) A late stage epíthermal event conditioned by | ||
| E-W dilatational structures, part of a horsetail structure has locally overprinted | ||
| the above. The target is within a zone within which anomalous rock samples | ||
| have been collected by AGAC (refer Figure 2 in MNC ASX release dated 6 | ||
| December 2018). The rock chip sampling defined a Central Zone of 600m by | ||
| 240m (183 samples) where the average grade of samples is 2.66g/t Au (uncut) | ||
| or 1.94g/t Au (cut2). This is incorporated within a broader area (Main Zone) of | ||
| 900m by 530m (289 samples) where the average grade of samples is 1.79g/t | ||
| Au (uncut) or 1.33g/t Au (cut2). | ||
| • Note2: The cut samples were capped at 20g/t Au which affected 6 | ||
| samples including one assaying 54 g/t Au. In neither case was a lower cut | ||
| applied. For the Central & Main zones respectively, the average includes | ||
| 53 and 115 samples at <0.2g/t. | ||
| •The underground artisanal workings occur within the Central Zone, at a depth | ||
| of approximately 70m below the ridge, indicating the continuation of | ||
| mineralisation at shallow depths. The multi-element rock-chip underground | ||
| channel sample results indicate two dominant styles of mineralization. A | ||
| probable early-stage stockwork-disseminated porphyry-style mineralization and | ||
| a late stage high grade vein style (possible epithermal overprint). The porphyry- | ||
| style returned average grades of 1.5g/t Au and the epithermal-style veins | ||
| average 8g/t Au (cut3). | ||
| • Note3: The cut underground rock-chip channel samples were capped at | ||
| 20g/t Au. | ||
| •The soil and rock chip anomalies remain open to the north. |
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Doc ID 692920873/v1
| Criteria | JORC Code explanation | Commentary | Commentary | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill hole | • A summary of all information material to the understanding | •This declaration covers the start of the maiden drill program at Chuscal. | |||||||
| Information | of the exploration results including a tabulation of the following information for all Material drill holes: |
Hole | Easting | Northing | RL (m) | Azimuth | Dip | EOH | |
o easting and northing of the drill hole collaro elevation or RL (Reduced Level – elevation above sea |
CHDDH001 | 423456 | 582685 | 1310 | 060º | -60º | 452m | ||
| level in metres) of the drill hole collar | CHDDH002 | 423564 | 582609 | 1260 | 345º | -60º | 412m | ||
o dip and azimuth of the hole |
|||||||||
o down hole length and interception depth |
CHDDH003 | 423425 | 583071 | 1226 | 216º | -50º | 302m. | ||
o hole length.• If the exclusion of this information is justified on the basis |
CHDDH004 | 423501 | 582760 |
1355 | 340º | -60º | 370m |
||
| 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. | |||||||||
| Data | • In reporting Exploration Results, weighting averaging | •The summary metrics for the underground rock-chip channel sample results | |||||||
| aggregation | techniques, maximum and/or minimum grade truncations (eg | have been averaged |
and reported as cut values. These have been previously | ||||||
| methods | cutting of high grades) and cut-off grades are usually | reported to ASX. | |||||||
| Material and should be stated. | •No metal equivalent values have been 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. _ | |||||||||
| Relationship | • These relationships are particularly important in the reporting | •The results reported in this announcement are considered to be |
of an | early | |||||
| between | of Exploration Results. | stage in the exploration of the project. | |||||||
| mineralisation | • If the geometry of the mineralisation with respect to the drill |
•Mineralisation geometry is not accurately known as the exact number, | |||||||
| widths and | hole angle is known, its nature should be reported. | orientation and extent of mineralised structures are not yet determined. | |||||||
| intercept | • If it is not known and only the down hole lengths are | ||||||||
| lengths | reported, there should be a clear statement to this effect (eg | ||||||||
| _‘down hole length, true width not known’). _ | |||||||||
| Diagrams | • Appropriate maps and sections (with scales) and tabulations | •Geological map showing the location of CHDDH-001 to 004 and | key | ||||||
| of intercepts should be included for any significant discovery | exploration results over the Chuscal Prospect are shown | within the main body | |||||||
| being reported These should include, but not be limited to a | of this announcement. | ||||||||
| plan view of drill hole collar locations and appropriate | |||||||||
| sectional views. |
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Doc ID 692920873/v1
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Balanced | • Where comprehensive reporting of all Exploration Results is | •n/a - all results have been reported. |
| reporting | not practicable, representative reporting of both low and high | |
| grades and/or widths should be practiced to avoid | ||
| _misleading reporting of Exploration Results. _ | ||
| Other | • Other exploration data, if meaningful and material, should be | •Figure 1 of the press release of 30 October 2019, presents an image of the |
| substantive | reported including (but not limited to): geological | analytical signal from the ground magnetic survey recently completed. The |
| exploration | observations; geophysical survey results; geochemical | image reflects the susceptibility variations mentioned in this press release at the |
| data | survey results; bulk samples – size and method of treatment; | RL level of 1,150m (approximately 170m beneath the drill hole collar). No other |
| metallurgical test results; bulk density, groundwater, | exploration data that is considered meaningful and material has been omitted | |
| geotechnical and rock characteristics; potential deleterious | from this report. | |
| _or contaminating substances. _ | ||
| Further work | • The nature and scale of planned further work (eg tests for | •The preliminary drill program consists of up to 2,400m in up to 8 holes to |
| lateral extensions or depth extensions or large-scale step- | evaluate the geology, alteration and mineralization styles along the Chuscal | |
| out drilling). | trend. As a maiden drill program, the project information obtained during the | |
| • Diagrams clearly highlighting the areas of possible | drilling will be used to refine the Exploration Model providing a more resilient | |
| extensions, including the main geological interpretations and | base for decision making. |
|
| future drilling areas, provided this information is not | •The objective of the program is to provide a guide to the mineralization potential | |
| commercially sensitive. | of the system, both in terms of potential grade and volume, to guide resource | |
| targeted drilling in a second phase drilling program. |
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