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GLOBAL LITHIUM RESOURCES LIMITED — Capital/Financing Update 2024
Aug 29, 2024
64989_rns_2024-08-29_38bac360-d523-434e-ac6c-4273027310e7.pdf
Capital/Financing Update
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ASX Announcement
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30 August 2024
MANNA DFS METALLURGICAL TESTWORK PROGRAM COMPLETED
DFS optimisation testwork achieves 78% Li2O recovery at Manna
Key Highlights
-
Definitive Feasibility Study (DFS or Study) testwork program is now complete with a lithia (Li2O) recovery of 78% confirmed for the Study
-
Latest optimisation testwork has focused on optimising desliming and flotation stages resulting in the lithia recovery increasing to 78%
-
This builds on previous improvements to the magnetic separation and mica flotation unit operations
-
• Total increase in lithia recovery of 8% has now been achieved since commencement of optimisation testwork
-
A total of 150 batch and two locked cycle flotation tests have been completed to-date, with results consistently achieving >5.5% Li2O spodumene concentrate (SC)
-
Metallurgical flow sheet for the Manna DFS is now locked and finalised
-
Total increase in lithium recovery will have a positive impact on project economics at Manna
Global Lithium Resources Limited ( ASX: GL1 , “ Global Lithium ” or “the Company ”), is pleased to announce the completion of the DFS metallurgical testwork program for its 100% owned Manna Lithium Project (Manna or the Project), located 100km east of Kalgoorlie in Western Australia.
Global Lithium Executive Chair, Ron Mitchell, commented:
“This increase in overall lithia recovery and finalisation of the spodumene beneficiation flow sheet design fundamentally de-risks Manna and is a terrific result by the Project Development team as we near completion of the Project DFS.
“The current Manna resource stands at 51.6Mt @ 1.0% Li2O which positions the Project as the second largest lithium resource in the Kalgoorlie Lithium province. The 78% lithia recovery delivered through this extensive metallurgical testwork program is testament to the unique characteristics of the Manna ore body and is expected to have a positive impact on the overall project economics of Manna, through extra spodumene concentrate production and additional revenue.”
Metallurgical Testwork Update
Whole of Ore Flotation Optimisation
The Whole-of-Ore (WOO) flotation process selected for the Manna Project at the commencement of the DFS is presented in GL1’s previous update on the DFS metallurgical testwork program (refer to ASX announcement on 7 March 2024). The process features a standard SAG/Ball comminution circuit on sorted ore, followed by two-stage desliming cyclones to remove -25 µm slimes, magnetic separation to remove iron bearing minerals, a mica pre-flotation circuit to remove mica minerals such as lepidolite and biotite, culminating in a high grade final spodumene concentrate product.
Optimisation testwork performed since GL1’s previous announcement on the metallurgical testwork program, which detailed improvements to magnetic separation and mica flotation stages, has focussed on improving lithium recovery from the desliming and spodumene flotation stages.
Two new bulk composite samples were generated utilising crushed PQ core and products from previous ore sorting trials. The first of the metallurgical composite samples simulates direct ore feed to be processed at Manna during the first 2 years of operation without ore sorting, while the second sample represents an ore sorted composite sample indicative of feed expected to be processed once the ore sorters have been successfully commissioned. The direct feed composite sample included 35% w/w contact waste rock to simulate ore dilution that will occur during full scale mining operations, while the ore sorted composite sample contained approximately 16% w/w contact waste rock with a large portion of waste rock removed via ore sorting. Chemical composition of the two new metallurgical composite samples is shown in Table 3.
Mineralogical evaluation of the new bulk composite samples was conducted at ALS Metallurgy located at Balcatta, Western Australia, using Quantitative Evaluation of Minerals by Scanning Electron Microscopy (QEMSCAN), with results for the direct ore feed presented in Figure 1.
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----- Start of picture text -----
1.1
9.9 Spodumene
1.4
4.8
Lepidolite
34.6 Biotite
16.1 Muscovite
Quartz
6.4
K-Feldspar
25.8
Na-Feldspar
Gangue-Waste
----- End of picture text -----
Figure 1. Mineralogical Deportment of Direct Ore Feed Composite
This final phase of desliming and spodumene flotation optimisation testwork has encompassed more than 50 batch tests and two locked cycle flotation tests, exploring:
-
The number of dewatering stages allowed for in the process flowsheet;
-
Deslime particle size cut point and impacts thereof on downstream flotation performance; and
• The use of alternate spodumene flotation reagents via engagement with multiple reagent suppliers. A review of the dewatering stages needed in the process flowsheet identified that two of the four dewatering stages could be eliminated by reconfiguring the flowsheet. Removing two stages of dewatering not only improves the operability of the Manna flowsheet, it also eliminates two stages of cycloning and the associated 0.5-1.0% loss of lithium per cyclone cluster.
A stage-wise reduction in the desliming stage cut point from 25µm to 10µm has resulted in a significant improvement in lithium recovery. Operating at a cut point of 10µm, which is proven in operation at an operating plant of one of Global Lithium’s strategic shareholders, has shown to increase overall lithium recovery by approximately 9% by reducing spodumene losses to slimes tailings.
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Testwork performed in conjunction with reagent suppliers has identified a superior spodumene flotation reagent regime than was previously being used, resulting in a further increase in recovery of approximately 2% by reducing spodumene losses to flotation tailings.
Table 1 provides a summary of the lithium losses for each unit operation within the WOO flowsheet and the overall lithium recovery for the two bulk metallurgical composite samples tested.
Table 1: Locked Cycle Testwork Results | Optimisation Update
| Result | Unit | Direct Feed Sample Main Manna Pit |
Ore Sorted Feed Sample Main Manna Pit |
|---|---|---|---|
| Mag. Separation Li Loss | % | 12.4 | 13.4 |
| Deslime Li Loss | % | 3.8 | 2.8 |
| Mica Float Li Loss | % | 2.9 | 2.4 |
| Spodumene Float Li Loss | % | 2.9 | 2.9 |
| Overall Li Recovery | % | 78.0 | 78.5 |
| Spodumene Conc. Grade | **% Li2O ** | 5.7 | 5.9 |
| Spodumene Conc. Fe Grade | % Fe2O3 | 1.2 | 0.7 |
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The lithium grade-recovery curves from the locked-cycle tests performed on the two bulk composite samples are presented in Figure 2.
Figure 2 shows that at the SC target grade of 5.5% Li2O, a lithium recovery of greater than 78% is achieved for both samples, with the ore sorted feed composite achieving marginally higher grade and recovery due to the lower waste content of the sample. This shows the robust nature of the selected process flowsheet for the Manna Project, with the significantly higher waste content of the direct feed composite successfully removed with only a minor impact on product grade and lithium recovery.
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----- Start of picture text -----
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
67.5% 70.0% 72.5% 75.0% 77.5% 80.0% 82.5%
Overall Circuit Lithium Recovery (%)
Direct Feed Composite Ore Sorted Feed Composite Target
Spodumene Concentrate Li Grade (% Li2O)
----- End of picture text -----
Figure 2. Lithium Grade – Recovery Curves for Locked Cycle Testwork
Table 2 provides a summary of the final SC products generated from the two bulk composite samples tested.
Table 2: Final Spodumene Concentrate Product Composition
| Element | Unit | Direct Feed Sample Main Manna Pit |
Ore Sorted Feed Sample Main Manna Pit |
|---|---|---|---|
| Li2O | %w/w | 5.67 | 5.93 |
| Fe2O3 | %w/w | 1.23 | 0.67 |
| Na2O | %w/w | 0.85 | 1.05 |
| K2O | %w/w | 0.90 | 0.94 |
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The final stage of optimisation testwork has resulted in several improvements to the WOO flotation process selected for the Manna Project at the commencement of the DFS, with Figure 3 summarising the final, optimised flowsheet for the Project.
Sufficient metallurgical testwork has now been completed to support the DFS and the metallurgical flowsheet.
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Figure 3. Manna Lithium Project Whole of Ore (WOO) Flotation Flowsheet – Optimised
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Metallurgical Testwork Setting
Program Overview
The metallurgical testwork program has been completed on composite samples generated from approximately 12,000kg of diamond core obtained from multiple drilling programs completed across the Manna Central and Manna North open pits.
Testwork initially focussed on ore characterisation, spodumene mineralogy, comminution and liberation studies to determine the optimum beneficiation flowsheet. Coarse spodumene beneficiation adopting Dense-Media Separation (DMS) technology is not suitable for the Manna deposit. Global Lithium formed the opinion that the spodumene recovery was not high enough to warrant the additional capital cost to include a DMS circuit and added complexity. Consequently, a WOO flotation flowsheet employing a combination of magnetic separation and flotation technology was selected for DFS design and continued metallurgical studies.
The WOO flotation flowsheet encompasses four stages of gangue rejection after grinding the ore. The ground ore is treated via low and high intensity magnetic separators to remove iron bearing gangue minerals before being de-slimed using hydrocyclones. Deslimed non-magnetics are then sent for mica flotation where mica impurity minerals are rejected before spodumene flotation to produce a final concentrate.
WOO flotation testwork has now been completed on a range of composite samples, with a total of 150 flotation tests performed to establish the optimal flowsheet configuration for the Manna Project, whilst achieving target product specifications, maximum recoveries and ensuring practical scale up from laboratory to operations.
Sufficient metallurgical testwork has now been completed to support the DFS. Further metallurgical testwork will be performed to support impacts of site water quality over life-of-mine.
Metallurgical testwork has been performed at Nagrom Laboratory located in Perth, Western Australia and supervised by the Global Lithium process team.
Samples
The Manna deposit has two different ore types present within the resource. The main ore zone (Zone 1) and most dominant ore type within the main central pit at Manna, consists of coarse to fine grain spodumene with quartz and feldspar as the main gangue minerals and minor amounts of mica. The second ore type (Zone 2) consists of fine grain spodumene with varying amounts of other lithium minerals and more prevalent in the Manna North pit. The proposed DFS mine schedule contains approximately 70% of the main ore type and 30% of Zone 2. Both ore types contain waste rock in the form of magnetic basalt and gabbro from the hanging and foot walls. Magnetic waste rock can easily be removed via ore sorting as previously outlined (refer to ASX announcements on 21 September 2023 and 4 July 2024).
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Five bulk metallurgical composite samples have been generated for the metallurgical testwork program using crushed PQ and HQ core as well as products from previous ore sorting testwork. Table 3 provides a summary of the head assays of the composite samples generated. The direct ore feed composite sample used for the latest phase of optimisation testwork represents a blended average of the anticipated ore being sourced from the first two pit shells expected from the main Manna pit. The ore sorted feed composite sample is an average blend from across the main Manna pit and is indicative of the feed expected to be processed through the plant once ore sorting has been successfully commissioned. Previous optimisation testwork was performed on three ore type domain composite samples at different head grades to reflect the range in grades anticipated to be processed through the plant.
Table 3: Composite Head Assays of Metallurgical Composite Samples Used for DFS Testwork Program
| Element | Unit | Manna North Pit |
||||
|---|---|---|---|---|---|---|
| Main Manna Pit | ||||||
| Direct Ore Feed |
Ore Sorted Feed |
High Grade | Low Grade | |||
| Lithium Oxide (Li2O) | % | 1.04 | 1.35 | 1.49 | 0.89 | 1.34 |
| Iron Oxide (Fe2O3) | % | 4.65 | 2.46 | 1.98 | 1.65 | 2.05 |
| Silica (SiO2) | % | 63.3 | 68.2 | 69.4 | 70.0 | 69.6 |
| Alumina (Al2O3) | % | 12.6 | 14.6 | 14.8 | 14.7 | 16.3 |
| Potassium Oxide (K2O) | % | 1.7 | 2.3 | 2.4 | 2.3 | 2.4 |
| Sodium Oxide (Na2O) | % | 2.9 | 3.6 | 3.5 | 4.5 | 3.9 |
| Magnesium Oxide (MgO) | % | 7.9 | 3.7 | 3.3 | 2.8 | 0.5 |
| Calcium Oxide (CaO) | % | 2.8 | 1.4 | 1.2 | 1.0 | 1.6 |
Global Lithium Project Director, Dr Tony Chamberlain, commented:
“The metallurgical flowsheet for Manna is now finalised with the process team having achieved an 8% increase in spodumene recovery since commencement of the DFS.
We are now in the process of finalising the Manna DFS, having recently engaged engineering and construction group GR Engineering Services to optimise the layout and configuration of the process plant. The DFS remains on track to be released in Q4 CY24 and we will continue to update the market on progress towards completing the Study.”
Approved by the board of Global Lithium Resources Limited.
For more information:
Ron Mitchell Ben Creagh Executive Chair Media & Investor Relations [email protected] [email protected] +61 8 6103 7488 +61 (0) 417 464 233
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Page 8 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
About Global Lithium
Global Lithium Resources Limited (ASX:GL1, Global Lithium) is a diversified West Australian lithium exploration and development company with multiple assets in key lithium branded jurisdictions. It’s primary focus is on the 100% owned Manna Lithium Project in the Goldfields region and the Marble Bar Lithium Project (MBLP) in the Pilbara region, Western Australia.
Global Lithium has now defined a total Indicated and Inferred Mineral Resource of 69.6Mt @ 1.0% Li2O at its Manna and MBLP projects, confirming Global Lithium as a significant global lithium player.
Directors
Ron Mitchell Executive Chairman Dr Dianmin Chen Executive Director Greg Lilleyman Non-Executive Director Hayley Lawrance Non-Executive Director
Global Lithium - Mineral Resources
| Project Name | Category | Million Tonnes (Mt) |
Li2O% | Ta2O5 ppm |
|---|---|---|---|---|
| Marble Bar | Indicated | 3.8 | 0.97 | 53 |
| Inferred | 14.2 | 1.01 | 50 | |
| Total | 18.0 | 1.00 | 51 | |
| Manna | Indicated | 32.9 | 1.04 | 52 |
| Inferred | 18.7 | 0.92 | 50 | |
| Total | 51.6 | 1.00 | 52 | |
| Combined Total | 69.6 | 1.00 | 52 |
Competent Persons Statement:
Metallurgical Testwork
The information in this announcement that relates to metallurgical testwork for the Manna Lithium Project is based on, and fairly represents, information and supporting documentation reviewed by Dr Tony Chamberlain, a full-time employee of Global Lithium Resources Limited and who participates in the Company’s Incentive Performance Rights and Option Plan. Dr Chamberlain is a metallurgist and member of the Australasian Institute of Mining and Metallurgy. He has sufficient experience that is relevant on matters relating to mine development, testwork methodology and flowsheet development. Dr Chamberlain considers that the information in the market announcement is an accurate
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representation of the available data and studies for the mining project. Dr Chamberlain consents to the inclusion in this announcement of the matters based on his information in the form and context in which it appears.
Mineral Resources
Information on historical exploration results and Mineral Resources for the Manna Lithium Project presented in this announcement, together with JORC Table 1 information, is contained in an ASX announcement released on 12 June 2024.
Information on historical exploration results and Mineral Resources for the Marble Bar Lithium Project presented in this announcement is contained in an ASX announcement released on 15 December 2022
The Company confirms that it is not aware of any new information or data that materially affects the information in the relevant market announcements, and that the form and context in which the Competent Persons findings are presented have not been materially modified from the original announcements.
Where the Company refers to Mineral Resources for the Manna Lithium Project (MLP) in this announcement (referencing previous releases made to the ASX), it confirms that it is not aware of any new information or data that materially affects the information included in that announcement and all material assumptions and technical parameters underpinning the Mineral Resource estimate in that announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Persons findings are presented have not materially changed from the original announcement .
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Appendix 1.
The tables below show the drilling results returned from the recent Metallurgical and Ore Sorting Diamond core drill program. This program was specifically designed to drill down dip so a bulk sample of the pegmatite could be collected for metallurgical testing requirements. These results and the high-grade intercepts are not to be interpreted as true width of the deposit and have not been added to the resource model.
The results do show that the grade within the pegmatite is consistent with depth and of a higher grade than represented in the resource model. This is due to the natural dilution of Reverse Circulation (RC) drilling and the wider drill spacing.
Further close spaced infill drilling currently being performed at the Manna Lithium Deposit, is designed to improve the classification of the resource model and to bring the overall grade of the deposit more in line with the results observed in the tables below.
Table 4: Metallurgical Drill Core Summary
| Hole ID | Drill Type |
Easting (MGA50) |
Northing (MGA50) |
RL (m) |
Dip (degrees) |
Azimuth (degrees) |
Depth (m) |
|---|---|---|---|---|---|---|---|
| MDD0006 | HQ | 455541 | 6584419 | 426 | -60 | 322 | 82 |
| MDD0008 | HQ | 455745 | 6584172 | 422 | -60 | 324 | 108 |
| MDD0011 | PQ | 455558 | 6584515 | 423 | -60 | 322 | 112 |
| MDD0013 | PQ | 455352 | 6584265 | 421 | -72 | 145 | 78 |
| MDD0014 | PQ | 455687 | 6584608 | 420 | -62 | 140 | 150 |
| MDD0015A | PQ | 455624 | 6584557 | 424 | -65 | 140 | 211 |
| MDD0016 | PQ | 455909 | 6584852 | 413 | -80 | 135 | 156 |
| MDD0017 | PQ | 456049 | 6584929 | 413 | -78 | 140 | 132 |
| MDD0018 | PQ | 455748 | 6584652 | 417 | -60 | 140 | 183 |
| MDD0019 | PQ | 455298 | 6584334 | 424 | -71 | 150 | 199 |
| MDD0020 | PQ | 455349 | 6584393 | 423 | -68 | 140 | 106 |
| MDD0021 | PQ | 455932 | 6584825 | 415 | -68 | 140 | 121 |
| MRCD0038 | HQ | 455788 | 6584491 | 417 | -54 | 328 | 345 |
| MRCD0039 | HQ | 455750 | 6584410 | 418 | -53 | 326 | 390 |
| MRCD0045 | HQ | 455665 | 6584263 | 421 | -52 | 324 | 522 |
| MRCD0047 | HQ | 456171 | 6584782 | 412 | -57 | 321 | 432 |
| MRCD0056 | HQ | 455617 | 6584066 | 424 | -56 | 318 | 621 |
| MRCD0057 | HQ | 455867 | 6584271 | 423 | -60 | 322 | 625 |
| MRCD0059 | HQ | 455886 | 6584491 | 417 | -61 | 320 | 527 |
| MRCD0090 | HQ | 456086 | 6584507 | 419 | -58 | 328 | 630 |
| MRCD0104 | HQ | 455418 | 6584061 | 426 | -58 | 327 | 585 |
| MRCD0109 | HQ | 455987 | 6584375 | 422 | -56 | 329 | 545 |
| MRCD0133 | HQ | 456087 | 6584638 | 416 | -55 | 315 | 503 |
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Table 5: Expanded metallurgical and ore sorting drill hole intercepts
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| MDD006 | 455541 | 6584419 | 40.29 | 43.40 | 1.29 |
| MDD008 | 455745 | 6584172 | 36.26 | 39.68 | 1.41 |
| and | 455745 | 6584172 | 39.68 | 43.04 | 1.73 |
| and | 455745 | 6584172 | 43.04 | 46.41 | 1.89 |
| and | 455745 | 6584172 | 46.41 | 48.25 | 1.37 |
| and | 455745 | 6584172 | 154.80 | 158.31 | 1.83 |
| and | 455745 | 6584172 | 158.31 | 161.74 | 0.91 |
| and | 455745 | 6584172 | 161.74 | 165.41 | 1.70 |
| MDD0011 | 455558 | 6584515 | 55.95 | 59.57 | 1.63 |
| and | 455558 | 6584515 | 59.57 | 63.10 | 1.56 |
| and | 455558 | 6584515 | 63.10 | 65.50 | 0.74 |
| MDD0013 | 455352 | 6584265 | 2.18 | 4.56 | 1.43 |
| and | 455352 | 6584265 | 4.56 | 7.28 | 1.39 |
| and | 455352 | 6584265 | 7.28 | 9.80 | 1.35 |
| and | 455352 | 6584265 | 9.80 | 12.00 | 1.77 |
| and | 455352 | 6584265 | 12.00 | 14.62 | 1.69 |
| and | 455352 | 6584265 | 14.62 | 16.76 | 1.17 |
| and | 455352 | 6584265 | 16.76 | 19.55 | 1.44 |
| and | 455352 | 6584265 | 19.55 | 21.73 | 1.47 |
| and | 455352 | 6584265 | 21.78 | 23.80 | 1.56 |
| and | 455352 | 6584265 | 23.80 | 26.11 | 2.07 |
| and | 455352 | 6584265 | 26.11 | 28.47 | 1.90 |
| and | 455352 | 6584265 | 28.47 | 31.21 | 2.32 |
| and | 455352 | 6584265 | 31.21 | 33.78 | 1.88 |
| and | 455352 | 6584265 | 33.78 | 36.03 | 1.62 |
| and | 455352 | 6584265 | 36.03 | 38.85 | 1.51 |
| and | 455352 | 6584265 | 38.85 | 41.57 | 2.14 |
| and | 455352 | 6584265 | 41.57 | 44.22 | 1.55 |
| MDD0014 | 455687 | 6584608 | 26.28 | 29.12 | 2.12 |
| and | 455687 | 6584608 | 29.12 | 31.67 | 2.17 |
| and | 455687 | 6584608 | 31.67 | 34.22 | 1.66 |
| and | 455687 | 6584608 | 52.66 | 55.40 | 2.04 |
| and | 455687 | 6584608 | 55.40 | 58.15 | 1.93 |
| and | 455687 | 6584608 | 58.15 | 60.90 | 1.96 |
| and | 455687 | 6584608 | 63.73 | 66.38 | 2.54 |
| and | 455687 | 6584608 | 66.38 | 69.20 | 2.24 |
| and | 455687 | 6584608 | 69.20 | 71.66 | 1.47 |
| and | 455687 | 6584608 | 71.66 | 74.30 | 1.54 |
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| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455687 | 6584608 | 74.30 | 76.88 | 2.46 |
| and | 455687 | 6584608 | 76.88 | 79.52 | 1.72 |
| and | 455687 | 6584608 | 79.52 | 82.11 | 1.89 |
| and | 455687 | 6584608 | 87.51 | 90.28 | 1.52 |
| and | 455687 | 6584608 | 90.28 | 92.94 | 1.75 |
| and | 455687 | 6584608 | 92.94 | 95.53 | 1.92 |
| and | 455687 | 6584608 | 95.53 | 98.25 | 1.77 |
| and | 455687 | 6584608 | 108.77 | 111.40 | 0.37 |
| and | 455687 | 6584608 | 114.14 | 116.68 | 0.41 |
| and | 455687 | 6584608 | 116.68 | 119.53 | 1.61 |
| and | 455687 | 6584608 | 119.53 | 122.30 | 2.07 |
| and | 455687 | 6584608 | 122.30 | 125.04 | 1.51 |
| and | 455687 | 6584608 | 125.04 | 127.77 | 2.23 |
| and | 455687 | 6584608 | 127.77 | 130.41 | 2.40 |
| and | 455687 | 6584608 | 130.41 | 133.17 | 1.00 |
| and | 455687 | 6584608 | 133.17 | 135.82 | 1.19 |
| and | 455687 | 6584608 | 135.82 | 138.36 | 1.78 |
| and | 455687 | 6584608 | 138.36 | 140.75 | 1.61 |
| and | 455687 | 6584608 | 140.75 | 143.41 | 0.18 |
| MDD0015A | 455624 | 6584557 | 36.47 | 39.12 | 2.28 |
| and | 455624 | 6584557 | 39.12 | 41.82 | 1.53 |
| and | 455624 | 6584557 | 44.47 | 47.07 | 1.61 |
| and | 455624 | 6584557 | 47.07 | 49.88 | 1.94 |
| and | 455624 | 6584557 | 49.88 | 52.70 | 1.61 |
| and | 455624 | 6584557 | 52.70 | 55.37 | 1.11 |
| and | 455624 | 6584557 | 55.37 | 58.07 | 2.28 |
| and | 455624 | 6584557 | 58.07 | 60.76 | 2.17 |
| and | 455624 | 6584557 | 63.45 | 66.02 | 1.84 |
| and | 455624 | 6584557 | 66.02 | 68.68 | 1.46 |
| and | 455624 | 6584557 | 68.68 | 71.27 | 1.25 |
| and | 455624 | 6584557 | 71.27 | 73.95 | 0.24 |
| and | 455624 | 6584557 | 97.85 | 100.43 | 2.00 |
| and | 455624 | 6584557 | 100.43 | 103.02 | 1.68 |
| and | 455624 | 6584557 | 103.02 | 105.46 | 0.44 |
| and | 455624 | 6584557 | 113.15 | 115.83 | 0.59 |
| and | 455624 | 6584557 | 115.83 | 118.64 | 1.54 |
| and | 455624 | 6584557 | 118.64 | 121.31 | 1.89 |
| and | 455624 | 6584557 | 121.31 | 123.86 | 1.72 |
| and | 455624 | 6584557 | 123.86 | 126.56 | 2.55 |
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| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455624 | 6584557 | 126.56 | 129.30 | 2.21 |
| and | 455624 | 6584557 | 129.30 | 132.03 | 1.43 |
| and | 455624 | 6584557 | 132.03 | 134.89 | 2.13 |
| and | 455624 | 6584557 | 134.89 | 137.68 | 2.02 |
| and | 455624 | 6584557 | 137.68 | 140.49 | 1.70 |
| and | 455624 | 6584557 | 140.49 | 143.18 | 2.42 |
| and | 455624 | 6584557 | 143.18 | 145.92 | 1.05 |
| and | 455624 | 6584557 | 145.92 | 148.59 | 1.46 |
| and | 455624 | 6584557 | 148.59 | 151.33 | 1.53 |
| and | 455624 | 6584557 | 151.33 | 154.00 | 1.29 |
| and | 455624 | 6584557 | 154.00 | 156.64 | 1.80 |
| and | 455624 | 6584557 | 156.64 | 159.29 | 1.77 |
| and | 455624 | 6584557 | 159.29 | 162.00 | 1.64 |
| and | 455624 | 6584557 | 162.00 | 164.81 | 1.42 |
| and | 455624 | 6584557 | 164.81 | 167.50 | 1.69 |
| and | 455624 | 6584557 | 167.50 | 170.29 | 1.81 |
| and | 455624 | 6584557 | 170.29 | 173.05 | 1.90 |
| and | 455624 | 6584557 | 173.05 | 175.85 | 1.34 |
| and | 455624 | 6584557 | 175.85 | 178.60 | 1.62 |
| and | 455624 | 6584557 | 178.60 | 181.28 | 1.15 |
| and | 455624 | 6584557 | 181.28 | 183.99 | 2.45 |
| and | 455624 | 6584557 | 183.99 | 186.61 | 2.10 |
| and | 455624 | 6584557 | 186.61 | 189.44 | 2.14 |
| and | 455624 | 6584557 | 189.44 | 192.15 | 1.62 |
| and | 455624 | 6584557 | 192.15 | 194.73 | 2.35 |
| and | 455624 | 6584557 | 194.73 | 197.21 | 1.54 |
| and | 455624 | 6584557 | 197.21 | 199.83 | 1.51 |
| and | 455624 | 6584557 | 199.83 | 202.47 | 0.73 |
| and | 455624 | 6584557 | 202.47 | 205.31 | 0.97 |
| and | 455624 | 6584557 | 205.31 | 207.94 | 1.28 |
| MDD0016 | 455909 | 6584852 | 24.84 | 27.43 | 0.17 |
| and | 455909 | 6584852 | 27.43 | 30.13 | 1.78 |
| and | 455909 | 6584852 | 30.13 | 32.99 | 1.08 |
| and | 455909 | 6584852 | 32.99 | 35.66 | 0.67 |
| and | 455909 | 6584852 | 35.66 | 38.40 | 0.45 |
| and | 455909 | 6584852 | 38.40 | 40.99 | 1.20 |
| and | 455909 | 6584852 | 40.99 | 43.66 | 1.31 |
| and | 455909 | 6584852 | 43.66 | 46.45 | 0.82 |
| and | 455909 | 6584852 | 46.45 | 49.15 | 1.05 |
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Page 14 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455909 | 6584852 | 49.15 | 51.86 | 0.97 |
| and | 455909 | 6584852 | 51.86 | 54.51 | 1.83 |
| and | 455909 | 6584852 | 54.51 | 57.07 | 1.88 |
| and | 455909 | 6584852 | 57.07 | 59.87 | 1.65 |
| and | 455909 | 6584852 | 59.87 | 62.49 | 1.90 |
| and | 455909 | 6584852 | 64.93 | 67.63 | 2.07 |
| and | 455909 | 6584852 | 67.63 | 70.28 | 1.41 |
| and | 455909 | 6584852 | 70.28 | 73.01 | 1.70 |
| and | 455909 | 6584852 | 73.01 | 75.21 | 2.27 |
| and | 455909 | 6584852 | 75.21 | 78.41 | 1.59 |
| and | 455909 | 6584852 | 78.41 | 81.29 | 1.27 |
| and | 455909 | 6584852 | 81.29 | 84.03 | 0.99 |
| and | 455909 | 6584852 | 84.03 | 86.72 | 1.17 |
| and | 455909 | 6584852 | 114.52 | 117.13 | 0.10 |
| and | 455909 | 6584852 | 117.13 | 119.64 | 0.20 |
| and | 455909 | 6584852 | 119.64 | 122.20 | 2.13 |
| and | 455909 | 6584852 | 122.20 | 124.85 | 1.88 |
| and | 455909 | 6584852 | 124.85 | 127.57 | 1.49 |
| and | 455909 | 6584852 | 127.57 | 130.40 | 2.35 |
| and | 455909 | 6584852 | 130.40 | 133.14 | 2.25 |
| and | 455909 | 6584852 | 133.14 | 135.98 | 2.00 |
| and | 455909 | 6584852 | 135.98 | 138.52 | 2.54 |
| and | 455909 | 6584852 | 138.52 | 141.16 | 1.62 |
| and | 455909 | 6584852 | 141.80 | 143.69 | 1.55 |
| and | 455909 | 6584852 | 148.92 | 151.69 | 0.09 |
| MDD0017 | 456049 | 6584929 | 51.76 | 54.40 | 0.99 |
| and | 456049 | 6584929 | 54.40 | 57.14 | 0.81 |
| and | 456049 | 6584929 | 57.14 | 59.78 | 1.78 |
| and | 456049 | 6584929 | 59.78 | 62.52 | 1.15 |
| and | 456049 | 6584929 | 104.35 | 106.95 | 0.09 |
| and | 456049 | 6584929 | 106.95 | 109.75 | 0.31 |
| and | 456049 | 6584929 | 109.75 | 112.49 | 1.68 |
| and | 456049 | 6584929 | 112.49 | 115.22 | 1.79 |
| and | 456049 | 6584929 | 117.92 | 120.57 | 1.76 |
| and | 456049 | 6584929 | 120.57 | 123.45 | 1.46 |
| and | 456049 | 6584929 | 123.45 | 126.29 | 1.15 |
| and | 456049 | 6584929 | 126.29 | 128.96 | 1.47 |
| and | 456049 | 6584929 | 128.96 | 131.77 | 0.12 |
| MDD0018 | 455748 | 6584652 | 26.14 | 28.10 | 0.02 |
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Page 15 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455748 | 6584652 | 28.10 | 30.67 | 0.88 |
| and | 455748 | 6584652 | 30.67 | 33.10 | 1.51 |
| and | 455748 | 6584652 | 33.10 | 35.75 | 1.80 |
| and | 455748 | 6584652 | 35.75 | 38.34 | 2.51 |
| and | 455748 | 6584652 | 41.08 | 43.50 | 1.00 |
| and | 455748 | 6584652 | 43.50 | 46.12 | 1.27 |
| and | 455748 | 6584652 | 46.12 | 48.66 | 1.07 |
| and | 455748 | 6584652 | 48.66 | 51.37 | 0.01 |
| and | 455748 | 6584652 | 63.95 | 66.67 | 0.01 |
| and | 455748 | 6584652 | 66.67 | 69.41 | 0.48 |
| and | 455748 | 6584652 | 69.41 | 72.23 | 1.36 |
| and | 455748 | 6584652 | 72.23 | 74.85 | 1.92 |
| and | 455748 | 6584652 | 74.85 | 77.51 | 2.30 |
| and | 455748 | 6584652 | 77.51 | 80.00 | 2.26 |
| and | 455748 | 6584652 | 80.00 | 82.55 | 2.60 |
| and | 455748 | 6584652 | 82.55 | 85.27 | 2.62 |
| and | 455748 | 6584652 | 85.27 | 88.01 | 1.45 |
| and | 455748 | 6584652 | 88.01 | 90.52 | 1.98 |
| and | 455748 | 6584652 | 90.52 | 93.22 | 1.10 |
| and | 455748 | 6584652 | 93.22 | 95.91 | 1.43 |
| and | 455748 | 6584652 | 129.58 | 132.20 | 0.01 |
| and | 455748 | 6584652 | 132.20 | 134.57 | 0.20 |
| and | 455748 | 6584652 | 134.57 | 137.06 | 1.27 |
| and | 455748 | 6584652 | 137.06 | 139.32 | 1.27 |
| and | 455748 | 6584652 | 139.30 | 141.96 | 0.54 |
| and | 455748 | 6584652 | 141.96 | 144.59 | 1.01 |
| and | 455748 | 6584652 | 144.59 | 147.29 | 0.43 |
| and | 455748 | 6584652 | 149.88 | 152.54 | 1.77 |
| and | 455748 | 6584652 | 152.54 | 155.14 | 2.47 |
| and | 455748 | 6584652 | 155.15 | 157.71 | 1.06 |
| and | 455748 | 6584652 | 157.71 | 160.42 | 0.77 |
| and | 455748 | 6584652 | 160.42 | 163.07 | 0.42 |
| and | 455748 | 6584652 | 163.07 | 165.82 | 1.40 |
| and | 455748 | 6584652 | 165.82 | 168.35 | 1.45 |
| and | 455748 | 6584652 | 168.35 | 171.09 | 1.26 |
| and | 455748 | 6584652 | 171.09 | 173.72 | 1.85 |
| MDD0019 | 455349 | 6584393 | 22.74 | 24.83 | 1.15 |
| and | 455349 | 6584393 | 24.83 | 27.75 | 1.68 |
| and | 455349 | 6584393 | 27.75 | 30.06 | 1.88 |
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Page 16 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455349 | 6584393 | 30.06 | 32.33 | 1.30 |
| and | 455349 | 6584393 | 32.33 | 34.87 | 1.38 |
| and | 455349 | 6584393 | 34.87 | 37.56 | 2.00 |
| and | 455349 | 6584393 | 37.56 | 40.25 | 0.93 |
| and | 455349 | 6584393 | 40.25 | 42.92 | 1.02 |
| and | 455349 | 6584393 | 53.28 | 56.00 | 2.07 |
| and | 455349 | 6584393 | 56.00 | 58.59 | 1.83 |
| and | 455349 | 6584393 | 58.59 | 61.29 | 1.80 |
| and | 455349 | 6584393 | 64.00 | 66.26 | 1.50 |
| and | 455349 | 6584393 | 66.26 | 69.09 | 1.75 |
| and | 455349 | 6584393 | 69.08 | 71.78 | 2.11 |
| and | 455349 | 6584393 | 74.25 | 76.85 | 0.98 |
| and | 455349 | 6584393 | 76.85 | 79.61 | 1.98 |
| and | 455349 | 6584393 | 79.61 | 82.24 | 1.96 |
| and | 455349 | 6584393 | 82.24 | 84.93 | 2.26 |
| and | 455349 | 6584393 | 84.93 | 87.61 | 1.52 |
| and | 455349 | 6584393 | 87.61 | 90.42 | 1.67 |
| and | 455349 | 6584393 | 90.42 | 93.14 | 1.57 |
| and | 455349 | 6584393 | 93.14 | 95.90 | 1.58 |
| and | 455349 | 6584393 | 95.90 | 98.52 | 1.60 |
| and | 455349 | 6584393 | 98.52 | 101.15 | 2.07 |
| and | 455349 | 6584393 | 101.15 | 103.86 | 1.28 |
| and | 455349 | 6584393 | 103.86 | 106.57 | 1.66 |
| and | 455349 | 6584393 | 106.57 | 109.31 | 1.18 |
| and | 455349 | 6584393 | 114.40 | 117.16 | 2.14 |
| and | 455349 | 6584393 | 117.16 | 120.02 | 1.88 |
| and | 455349 | 6584393 | 120.02 | 122.80 | 1.87 |
| and | 455349 | 6584393 | 122.80 | 125.47 | 2.06 |
| and | 455349 | 6584393 | 125.47 | 128.13 | 2.43 |
| and | 455349 | 6584393 | 128.13 | 130.70 | 3.47 |
| and | 455349 | 6584393 | 130.70 | 133.37 | 2.27 |
| and | 455349 | 6584393 | 133.37 | 136.04 | 1.61 |
| and | 455349 | 6584393 | 136.04 | 138.65 | 0.64 |
| and | 455349 | 6584393 | 138.65 | 141.32 | 1.32 |
| and | 455349 | 6584393 | 141.32 | 144.07 | 1.91 |
| and | 455349 | 6584393 | 144.07 | 146.98 | 1.82 |
| and | 455349 | 6584393 | 149.98 | 149.72 | 0.84 |
| and | 455349 | 6584393 | 149.72 | 152.26 | 1.04 |
| and | 455349 | 6584393 | 152.26 | 155.15 | 0.88 |
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Page 17 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455349 | 6584393 | 155.15 | 157.80 | 1.03 |
| and | 455349 | 6584393 | 157.80 | 160.50 | 0.68 |
| and | 455349 | 6584393 | 160.50 | 163.16 | 1.53 |
| and | 455349 | 6584393 | 163.16 | 165.89 | 0.96 |
| and | 455349 | 6584393 | 165.89 | 168.22 | 1.15 |
| and | 455349 | 6584393 | 168.22 | 171.09 | 1.64 |
| and | 455349 | 6584393 | 171.09 | 173.70 | 1.08 |
| and | 455349 | 6584393 | 173.70 | 176.43 | 1.05 |
| and | 455349 | 6584393 | 176.43 | 179.23 | 1.38 |
| and | 455349 | 6584393 | 179.23 | 182.00 | 1.02 |
| and | 455349 | 6584393 | 182.00 | 184.76 | 1.25 |
| and | 455349 | 6584393 | 184.76 | 187.44 | 0.70 |
| and | 455349 | 6584393 | 187.44 | 190.22 | 1.54 |
| and | 455349 | 6584393 | 190.22 | 192.70 | 0.70 |
| and | 455349 | 6584393 | 192.70 | 195.38 | 0.97 |
| MDD0020 | 455349 | 6584393 | 15.46 | 17.74 | 0.78 |
| and | 455349 | 6584393 | 17.74 | 19.90 | 1.13 |
| and | 455349 | 6584393 | 19.90 | 22.01 | 1.70 |
| and | 455349 | 6584393 | 22.01 | 24.40 | 1.57 |
| and | 455349 | 6584393 | 24.40 | 26.66 | 2.11 |
| and | 455349 | 6584393 | 26.66 | 29.51 | 1.51 |
| and | 455349 | 6584393 | 29.51 | 32.49 | 0.89 |
| and | 455349 | 6584393 | 32.49 | 34.92 | 0.01 |
| and | 455349 | 6584393 | 66.53 | 69.19 | 1.00 |
| and | 455349 | 6584393 | 69.19 | 71.78 | 1.55 |
| and | 455349 | 6584393 | 71.78 | 74.29 | 1.62 |
| and | 455349 | 6584393 | 74.29 | 76.85 | 1.76 |
| and | 455349 | 6584393 | 76.85 | 79.58 | 2.11 |
| and | 455349 | 6584393 | 82.28 | 84.98 | 1.65 |
| and | 455349 | 6584393 | 84.98 | 87.47 | 1.72 |
| and | 455349 | 6584393 | 87.47 | 90.09 | 1.47 |
| and | 455349 | 6584393 | 92.79 | 95.25 | 0.01 |
| MDD0021 | 455932 | 6584825 | 37.06 | 39.62 | 0.80 |
| and | 455932 | 6584825 | 39.62 | 42.19 | 1.45 |
| and | 455932 | 6584825 | 42.19 | 44.86 | 0.65 |
| and | 455932 | 6584825 | 44.86 | 47.91 | 0.59 |
| and | 455932 | 6584825 | 47.91 | 49.90 | 1.39 |
| and | 455932 | 6584825 | 71.14 | 72.80 | 0.16 |
| and | 455932 | 6584825 | 72.80 | 76.21 | 0.16 |
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Page 18 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| and | 455932 | 6584825 | 76.21 | 78.39 | 0.20 |
| and | 455932 | 6584825 | 78.39 | 80.94 | 0.65 |
| and | 455932 | 6584825 | 80.94 | 83.52 | 0.74 |
| and | 455932 | 6584825 | 85.91 | 88.19 | 0.27 |
| and | 455932 | 6584825 | 88.19 | 90.48 | 0.15 |
| MRCD0038 | 6584490.76 | 455787.63 | 136.73 | 143.93 | 1.48 |
| and | 6584490.76 | 455787.63 | 148.96 | 152.81 | 1.72 |
| and | 6584490.76 | 455787.63 | 160.38 | 167.10 | 1.73 |
| and | 6584490.76 | 455787.63 | 176.00 | 178.00 | 0.51 |
| and | 6584490.76 | 455787.63 | 292.45 | 297.95 | 0.60 |
| and | 6584490.76 | 455787.63 | 313.2 | 320.08 | 1.50 |
| MRCD0039 | 6584410.26 | 455750.47 | 133.00 | 136.00 | 0.84 |
| and | 6584410.26 | 455750.47 | 163.78 | 167.78 | 1.47 |
| and | 6584410.26 | 455750.47 | 169.97 | 171.13 | 1.52 |
| and | 6584410.26 | 455750.47 | 175.58 | 177.00 | 0.46 |
| and | 6584410.26 | 455750.47 | 196.46 | 209.68 | 1.52 |
| and | 6584410.26 | 455750.47 | 284.89 | 291.58 | 1.72 |
| and | 6584410.26 | 455750.47 | 351.91 | 366.27 | 1.03 |
| MRCD0045 | 6584262.77 | 455664.68 | 227.57 | 229.19 | 1.46 |
| and | 6584262.77 | 455664.68 | 232.12 | 234.00 | 0.67 |
| and | 6584262.77 | 455664.68 | 237.00 | 239.48 | 1.09 |
| and | 6584262.77 | 455664.68 | 241.82 | 242.88 | 1.30 |
| and | 6584262.77 | 455664.68 | 250.00 | 253.96 | 0.69 |
| and | 6584262.77 | 455664.68 | 285.38 | 286.92 | 0.64 |
| MRCD0047 | 6584781.67 | 456171.04 | 278.96 | 280.61 | 1.04 |
| and | 6584781.67 | 456171.04 | 287.62 | 289.95 | 0.55 |
| and | 6584781.67 | 456171.04 | 308.00 | 309.80 | 0.70 |
| and | 6584781.67 | 456171.04 | 312.56 | 317.07 | 1.14 |
| and | 6584781.67 | 456171.04 | 333.61 | 339.15 | 1.21 |
| MRCD0056 | 6584066.25 | 455617.14 | 43.00 | 52.00 | 0.55 |
| and | 6584066.25 | 455617.14 | 60.00 | 65.00 | 0.99 |
| and | 6584066.25 | 455617.14 | 451.78 | 453.00 | 0.56 |
| MRCD0057 | 6584271.23 | 455866.79 | 87.00 | 89.00 | 1.33 |
| and | 6584271.23 | 455866.79 | 106.00 | 107.00 | 0.83 |
| and | 6584271.23 | 455866.79 | 111.00 | 112.00 | 1.23 |
| and | 6584271.23 | 455866.79 | 391.20 | 393.00 | 0.78 |
| and | 6584271.23 | 455866.79 | 410.68 | 412.00 | 0.43 |
| and | 6584271.23 | 455866.79 | 427.00 | 428.20 | 0.42 |
| and | 6584271.23 | 455866.79 | 601.02 | 602.04 | 0.41 |
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Page 19 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Hole ID | Northing | Easting | From (m) |
To (m) |
Li2O (%) |
|---|---|---|---|---|---|
| MRCD0059 | 6584491.3 | 455886.38 | 187.22 | 192.80 | 1.40 |
| and | 6584491.3 | 455886.38 | 207.57 | 210.00 | 1.52 |
| and | 6584491.3 | 455886.38 | 227.76 | 235.97 | 1.51 |
| and | 6584491.3 | 455886.38 | 252.49 | 256.75 | 1.79 |
| and | 6584491.3 | 455886.38 | 283.68 | 293.11 | 1.18 |
| and | 6584491.3 | 455886.38 | 302.00 | 303.17 | 0.66 |
| MRCD0090 | 6584507.29 | 456086.28 | 114.00 | 115.00 | 0.53 |
| and | 6584507.29 | 456086.28 | 462.23 | 471.24 | 1.00 |
| MRCD0104 | 6584060.52 | 455417.77 | 276.56 | 279.61 | 0.48 |
| and | 6584060.52 | 455417.77 | 354.00 | 355.99 | 0.58 |
| and | 6584060.52 | 455417.77 | 385.00 | 386.00 | 0.79 |
| MRCD0109 | 6584375.01 | 455987.43 | 97.00 | 99.00 | 0.55 |
| and | 6584375.01 | 455987.43 | 111.00 | 112.00 | 1.08 |
| and | 6584375.01 | 455987.43 | 512.91 | 514.8 | 1.11 |
| MRCD0133 | 6584637.69 | 456086.94 | 188.00 | 192.00 | 0.44 |
| and | 6584637.69 | 456086.94 | 306.15 | 312.58 | 1.50 |
| and | 6584637.69 | 456086.94 | 341.59 | 351.00 | 1.69 |
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Page 20 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
JORC Code, 2012 Edition – Table 1 Report
Section 1 Sampling Techniques and Data
(Criteria in this section apply to all succeeding sections)
| Criteria JORC Code explanation |
Commentary | Commentary | Commentary | Commentary |
|---|---|---|---|---|
| Sampling techniques • Nature and quality of sampling (eg 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 (eg ‘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 (eg submarine nodules) may warrant disclosure of detailed information. |
• Diamond drilling was undertaken to produce core for metallurgical test work and ore sorting testwork. • Selected core was submitted to laboratories in Perth where it was examined and then cut, sampled, crushed and assayed. • Select intervals of cut 1/4 core samples were crushed and riffle split to 2 to 2.5 kg for pulverising to 80% passing 75 microns. Prepared samples are fused with sodium peroxide and digested in dilute hydrochloric acid. The resultant solution is analysed by ICP by Jinning Testing and Inspection Laboratory in Perth. • The assay technique is considered to be robust as the method used offers total dissolution of the sample and is useful for mineral matrices that may resist acid digestions • Metallurgical Composite Samples – Ore Type Domain Samples: Three 250-350 kg metallurgical ore type composite samples were generated from HQ core, representing a high-grade, coarse grained spodumene (Zone 1 HG) sample, a low-grade, fine grained spodumene (Zone 1 LG) sample, and a fine grain spodumene sample (Zone 2). The samples consisted of representative HQ full core from six Manna Lithium Project diamond cores (MRCD38, 39, 45, 47, 59 and 133) that was transferred in pallets and consigned to the Nagrom facility in Perth. The three ore type composite samples generated from these Manna diamond cores were individually processed through the proposed WOO flowsheet unit operations at the Nagrom test facility in Kelmscott, Western Australia. Zone 1 – High Grade Hole ID From To Metres MRCD38 136.50 142.15 5.65 MRCD38 149.19 153.20 4.01 MRCD38 159.68 167.10 7.42 MRCD39 162.50 171.13 8.63 MRCD39 196.00 210.08 14.08 Total 39.79 |
|||
| Zone 1 – High Grade | ||||
| Hole ID | From | To | Metres | |
| MRCD38 | 136.50 | 142.15 | 5.65 | |
| MRCD38 | 149.19 | 153.20 | 4.01 | |
| MRCD38 | 159.68 | 167.10 | 7.42 | |
| MRCD39 | 162.50 | 171.13 | 8.63 | |
| MRCD39 | 196.00 | 210.08 | 14.08 | |
| Total | 39.79 |
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Page 21 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
Criteria JORC Code explanation
Commentary
| Zone 1 | – Low Grade | – Low Grade | – Low Grade | ||||
|---|---|---|---|---|---|---|---|
| Hole ID | From | To | Metres | ||||
| MRCD38 | 292.00 | 297.95 | 5.95 | ||||
| MRCD38 | 312.00 | 320.50 | 8.50 | ||||
| MRCD39 | 284.40 | 291.70 | 7.30 | ||||
| MRCD39 | 351.60 | 367.50 | 15.90 | ||||
| MRCD45 | 232.00 | 239.48 | 7.48 | ||||
| MRCD45 | 249.80 | 254.30 | 4.50 | ||||
| Total | 49.63 | ||||||
| Zone 2 |
| Zone 2 | Zone 2 | ||||
|---|---|---|---|---|---|
| Hole ID | From | To | Metres | ||
| MRCD47 | 310.00 | 317.23 | 7.23 | ||
| MRCD47 | 333.20 | 338.28 | 5.08 | ||
| MRCD59 | 186.30 | 193.10 | 6.80 | ||
| MRCD59 | 207.50 | 212.00 | 4.50 | ||
| MRCD59 | 227.50 | 235.98 | 8.48 | ||
| MRCD59 | 252.49 | 256.75 | 4.26 | ||
| MRCD59 | 283.68 | 293.71 | 10.03 | ||
| MRCD133 | 305.80 | 313.60 | 7.80 | ||
| MRCD133 | 341.50 | 352.00 | 10.50 | ||
| Total | 64.68 |
||||
- Metallurgical Composite Samples – ‘Ore Sorted Feed’ Sample:
A 350 kg metallurgical ‘ore sorted feed’ composite sample was generated from products of the ore sorting trial performed on the spodumene ore sorter composite reported as part of ASX Announcement dated 21 September, which were blended with material from the Zone 1 – High Grade, and Zone 1 – Low Grade composites detailed above.
The spodumene ore sorter composite was generated from representative PQ full core from five Manna Lithium Project diamond cores (MDD13, 14, 15, 18 and 19) as detailed in the following table:
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| Criteria JORC Code explanation |
Commentary |
|---|---|
| Spodumene Ore Sorter Composite (OS-SPD) Hole ID From To Metres DD13 44.22 46.97 2.75 DD14 23.65 26.28 2.63 DD14 34.22 36.85 2.63 DD14 82.11 87.51 5.4 DD14 98.25 103.63 5.38 DD14 111.4 114.14 2.74 DD15A 33.71 36.47 2.76 DD15A 95.17 97.85 2.68 DD15A 207.94 210.4 2.46 DD18 95.91 101.1 5.19 DD18 173.72 178.87 5.15 DD19 50.72 53.28 2.56 DD19 71.78 74.25 2.47 DD19 109.31 114.4 5.09 Total 49.89 The 350kg ‘ore sorted feed’ composite sample was generated using the following samples: Metallurgical ‘Ore Sorted Feed’ Composite Sample Mass (kg) OS-SPD Fines Fraction 80.0 OS-SPD Rejects Fraction 55.0 OS-SPD Accepts Fraction 130.0 Zone 1 – High Grade 14.9 Zone 1 – Low Grade 70.0 Total 349.9 • Metallurgical Composite Samples – ‘Direct Ore Feed’ Sample: A 30kg ‘direct ore feed’ composite sample was then generated by blending ‘ore sorted feed’ composite sample with waste material from a single PQ diamond core interval, namely MDD18 – interval from 129.58 to 132.20m, as detailed in the following table: |
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| Criteria JORC Code explanation |
Commentary | Commentary |
|---|---|---|
| ‘Direct Ore Feed’ Composite | ||
| Sample Mass (kg) |
||
| Metallurgical ‘Control’ Composite | 24.0 | |
| MDD18 – Tray50 | 6.72 | |
| Total | 30.72 | |
| Drilling techniques • Drill type (eg core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc) and details (eg 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). |
• Diamond drilling used PQ and HQ2 dependent upon ground conditions. • All PQ diamond drill holes were angled at approximately‐60 to -80 degrees and aligned to drill down dip to the pegmatite. • HQ2 core was obtained from previous resource drilling and is described in the announcement title “Manna Lithium Project Resource Grows” on 26 July 2023. |
|
| 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. |
• The diamond drill core recovered is physically measured by tape measure and the length recovered is recorded for every run. Core recovery is calculated as a percentage recovery. This is confirmed by Company geologists during core orientation activities on site. • There is no observable relationship between recovery and grade, or preferential bias in the drilling at this stage. |
|
| 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. |
• Drillholes were logged for lithology, alteration, mineralisation, structure, weathering, wetness and obvious contamination by a geologist. Data was then captured in a database. |
|
| Sub- sampling techniques • 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 |
• Half core samples were taken, generally on 1 m intervals or on geological boundaries where appropriate (minimum 0.08m to maximum of 1.36m). |
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| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| and | sampled wet or dry. | • | The samples were sent to accredited laboratories |
| sample preparation |
• For all sample types, the nature, quality and appropriateness of the sample preparation technique. |
• | for sample preparation and analysis. All samples were sorted, dried pulverised to 75 μm to produce a homogenous representative |
| • Quality control procedures adopted | subsample for analysis. A grind quality target of | ||
| for all sub-sampling stages to | 85% passing -75 μm has been established. | ||
| 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. | |||
| Quality of | • The nature, quality and | • | Exploration assaying: |
| assay data and laboratory tests |
appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total. • For geophysical tools, spectrometers, |
The industry standard assay techniques are considered to be robust as the methods used offers near (4-Acid) to total dissolution (Sodium Peroxide Fusion) of the samples. |
|
| handheld XRF instruments, etc, the | For lithium exploration drilling field inserted | ||
| parameters used in determining the | standards are utlitsed for 1 sample in every 50. | ||
| analysis including instrument make and model, reading times, calibrations factors applied and their derivation, |
For lithium exploration drilling field duplicate samples are taken for 1 sample in every 50. |
||
| etc. | • | Metallurgical sample assays: | |
| • Nature of quality control procedures adopted (eg standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (ie lack of bias) and precision have been established. |
Nagrom Laboratory prepared metallurgical samples using a fusion with sodium peroxide and digested in dilute hydrochloric acid. The resultant solution is analysed by ICP. This method offers total dissolution of the sample and is useful for mineral matrices that may resist |
||
| acid digestions. Samples are fused and digested | |||
| in Alumina crucibles, as a result, Al is not able to | |||
| be analysed using this method. Nagrom | |||
| laboratory periodically run replicates, blanks and | |||
| at least 2x matrix matched standards with every | |||
| submission as part of their QA/QC. | |||
| Li2O standards used are: | |||
| • OREAS750 STD |
|||
| • OREAS999 STD |
|||
| • AMIS0355 STD |
|||
| • TAN1 STD |
|||
| • | This assay technique is considered to be robust as | ||
| the method used offers total dissolution of the | |||
| sample and is useful for mineral matrices that may | |||
| resist acid digestions. Li, Rb and Th are measured | |||
| by ICP. | |||
| • | Multielement analysis is performed at Nagrom by | ||
| fusion with lithium borate flux with lithium nitrate | |||
| additive. The resultant glass bead is analysed by | |||
| XRF. XRF is suitable for the total analysis of a |
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| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| range of geological ores. XRF Suites are tailored to | |||
| specific ore types, using predefined inter-element | |||
| and matrix corrections. Loss on Ignition (LOI) is | |||
| packaged with XRF suites to allow the | |||
| determination of oxide totals: Si, Al, Fe, K, Na, Ca, | |||
| Mg, Cu, Ni, Mn, P, Ti, Nb, Sn, Cr, Co, Ba, Zn, As, | |||
| Cl, Ta, S and Pb. | |||
| Verification | • The verification of significant |
• | Results were verified by alternative personnel at |
| of sampling and assaying |
intersections by either independent or alternative company personnel. • The use of twinned holes. • Documentation of primary data, data entry procedures, data verification, |
• |
Global Lithium Twin holes have been drilled at Manna lithium project in both RC and DD to allow correlation of the assay results between drilling styles and to provide more confidence in the resource model. |
| data storage (physical and electronic) | • |
Primary geological and sampling data were | |
| protocols. | recorded digitally and on hard copy respectively | ||
| • Discuss any adjustment to assay | and were subsequently transferred to a digital | ||
| data. | database where it is validated by experienced | ||
| database personnel assisted by the geological | |||
| staff. Assay results are merged with the primary | |||
| data using established database protocols. | |||
| • | Global Lithium has not adjusted any assay data, | ||
| other than to convert Li (ppm) to Li2O (%). | |||
| Location of | • Accuracy and quality of surveys used |
• | A handheld global positioning system (GPS) was |
| data points | to locate drill holes (collar and down- |
used to initially record drillhole locations (±5 m | |
| hole surveys), trenches, mine | accuracy), followed by a differential GPS surveyor | ||
| workings and other locations used in | pickup. | ||
| Mineral Resource estimation. | • | Downhole survey measurements taken at 10 m | |
| • Specification of the grid system used. | intervals for RC drillholes and at an average | ||
| • Quality and adequacy of topographic | interval of 5 m for diamond drillholes. | ||
| control. | • | GDA94 (MGA) Zone 50 Southern Hemisphere | |
| • | Topographical data provided on a 1 m by 1 m | ||
| spatial resolution grid. | |||
| Data | • Data spacing for reporting of | • | The Manna deposit has been drilled at a spacing of |
| spacing and distribution |
Exploration Results. • Whether the data spacing and distribution is sufficient to establish the degree of geological and grade |
• | around 80 m along strike by 40 m across strike and 40 m x 40 m within the main central zone. Drill spacing is appropriate for the Mineral Resource estimation and classification applied. |
| continuity appropriate for the Mineral Resource and Ore Reserve |
• | Samples were not composited except for metallurgical test work. |
|
| estimation procedure(s) and | |||
| classifications applied. | |||
| • Whether sample compositing has | |||
| been applied. | |||
| Orientation | • Whether the orientation of sampling |
• | No orientation data was collected as the drilling |
| of data in | achieves unbiased sampling of | was down Dip and not used in a resource model. | |
| relation to geological |
possible structures and the extent to which this is known, considering the deposit type. |
||
| structure | • If the relationship between the drilling | ||
| orientation and the orientation of key | |||
| mineralised structures is considered |
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| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| to have introduced a sampling bias, | |||
| this should be assessed and reported | |||
| if material. | |||
| Sample | • The measures taken to ensure | • | The diamond core samples are taken from the |
| security | sample security. | drilling rig by experienced personnel, stored securely and transported to the laboratory by a |
|
| registered courier and handed over by signature. | |||
| Audits or | • The results of any audits or reviews of | • |
Data inputs and outputs have been reviewed and |
| reviews | sampling techniques and data. | verified by Global Lithium and Steiner | |
| • | No audits have been undertaken to date. |
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| Mineral | • Type, reference name/number, | • | The Manna Lithium deposit is situated entirely |
| tenement and land tenure status |
location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, |
• |
within tenement WA exploration licence E28/2522 and E38/2551 All tenure is wholly owned by Global Lithium Resources Limited. |
| native title interests, historical sites, wilderness or national park |
• | The portfolio of mineral tenements, comprising two granted exploration licences are in good standing. |
|
| 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. | |||
| Exploration | • Acknowledgment and appraisal of | • | Mineral exploration over the Eastern Kalgoorlie |
| done by other | exploration by other parties. |
project area has been undertaken for a number of | |
| parties | commodities, including gold, base metals, diamonds, tin and tantalum by various companies |
||
| since the 1960s. | |||
| • | Breaker Resources performed a basic mapping | ||
| and geochemical sampling program over the area | |||
| before running a small RC drilling program of 23 | |||
| holes totalling 3428m that defined the Manna | |||
| Lithium deposit. | |||
| • | After acquiring the project in 2021, GL1 has | ||
| completed two large RC and Diamond drilling | |||
| campaigns with the last Mineral Resource | |||
| Estimate released on 26 July 2023. | |||
| Geology | • Deposit type, geological setting | • | Typical LCT pegmatite model occurring as swarms |
| and style of mineralisation. | of dykes in a preferred corridor orientation. | ||
| • | Within this area, the Company has discovered the Manna deposit, comprising a series of steeply |
||
| dipping pegmatite bodies with lithium |
|||
| mineralisation predominantly by way of |
|||
| spodumenehosted pegmatites. |
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Page 27 of 29 | ACN 626 093 150 | ASX: GL1 Level 1, 16 Ventnor Ave, West Perth, WA 6005 [email protected] | www.globallithium.com.au
| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| • | These pegmatites have been the focus of | ||
| exploration by the Company. | |||
| Drill hole | • A summary of all information | • | Collar locations (easting and northing) for the |
| Information | material to the understanding of | metallurgical holes is provided in Appendix 1 of | |
| the exploration results including a | this announcement. | ||
| tabulation of the following | |||
| information for all Material drill | |||
| holes: | |||
o easting and northing of the drill |
|||
| hole collar | |||
o elevation or RL (Reduced Level |
|||
| – elevation above sea level in | |||
| metres) of the drill hole collar | |||
o dip and azimuth of the hole |
|||
o down hole length and |
|||
| interception depth | |||
o 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. | |||
| Data | • In reporting Exploration Results, | • | Not relevant – exploration results are not being |
| aggregation methods |
weighting averaging techniques, maximum and/or minimum grade truncations (eg cutting of high |
reported; a Mineral Resource has been defined. | |
| 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. | |||
| Relationship | • These relationships are particularly | • |
Not relevant – exploration results are not being |
| between | important in the reporting of | reported; a Mineral Resource has been defined. | |
| mineralisation widths and |
Exploration Results. • If the geometry of the mineralisation with respect to the |
||
| intercept | drill hole angle is known, its nature | ||
| lengths | 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’). |
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| Criteria | JORC Code explanation | Commentary | Commentary |
|---|---|---|---|
| Diagrams | • Appropriate maps and sections | • | Not relevant – exploration results are not being |
| (with scales) and tabulations of | reported; a Mineral Resource has been defined.. | ||
| 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. | |||
| Balanced | • Where comprehensive reporting of | • | Not relevant – exploration results are not being |
| reporting | all Exploration Results is not | reported; a Mineral Resource has been defined. | |
| 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 | • | Metallurgical data compiled and presented in this |
| substantive exploration data |
meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; |
release is based on testwork performed predominately at Nagrom, on metallurgical domain composite samples as described in this release, with individual HQ and PQ core samples |
|
| geochemical survey results; bulk | also utilised to generate comminution circuit | ||
| samples – size and method of | design data. | ||
| treatment; metallurgical test | • | The following metallurgical testing has been | |
| results; bulk density, groundwater, | performed: | ||
| geotechnical and rock | oComminution – UCS, UCS-E, CWi, SMC, Ai, |
||
| characteristics; potential | BBWi and BRWi | ||
| deleterious or contaminating | oMagnetic separation via LIMS and WHIMS, |
||
| substances. | utilising a range of Gauss settings from 1200 | ||
| to 10,000G | |||
oDesliming via 2-stage cycloning utilising |
|||
| 2 inch stub cyclones | |||
oMica Prefloat utilising 2.5L laboratory-scale |
|||
| Denver cells, using a range of reagents and | |||
| operating conditions. | |||
oSpodumene flotation utilising 2.5L |
|||
| laboratory-scale Denver cells, using a range | |||
| of reagents and operating conditions. | |||
| • | It is important to note that testwork is ongoing, | ||
| with further testing to be performed to establish | |||
| impact of site water quality over life-of-mine on | |||
| metallurgical recovery and concentrate grade | |||
| from the findings of testwork results reported to | |||
| date. | |||
| Further work | • The nature and scale of planned | • | An ore variability testwork program is planned to |
| further work (eg tests for lateral | determine the impact of lateral and depth | ||
| extensions or depth extensions or | extensions of the Manna lithium deposit on | ||
| large-scale step-out drilling). | process design, lithia recovery and impurity | ||
| • Diagrams clearly highlighting the | deportment. | ||
| areas of possible extensions, | |||
| including the main geological | |||
| interpretations and future drilling | |||
| areas, provided this information is | |||
| not commercially sensitive. |
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