Overview
Stage | Production |
Mine Type | Open Pit |
Commodities |
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Mining Method |
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Production Start | ... |
Mine Life | 2052 |
On 23 February 2023, MinRes announced that it had entered into a binding agreement with Albemarle Corporation (Albemarle) for a change in ownership structure of their interests in the Wodgina lithium mine and Kemerton hydroxide plant. The agreement included an ownership change for Wodgina to 50/50 (previously 60/40) and the Kemerton hydroxide plant to 85/15 (from 60/40). Further on 20 July 2023, MinRes announced it had amended the terms of the transaction with Albemarle. The amended agreement included an ownership change of the remaining interest in the Kemerton hydroxide plant, resulting in Albemarle taking full ownership of Kemerton. As the sale is expected to be completed within 12 months, the net amount of the assets being sold (disposal group) has been classified as an asset held for sale. |
Latest News | MinRes awards Wodgina contract to Indigenous business March 28, 2024 |
Source:
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Oct. 18, 2023 Albemarle Corporation announced it has closed on the restructuring of its MARBL joint venture with Mineral Resources Limited.
Albemarle has 100% ownership of the Kemerton lithium hydroxide processing facility in Australia and retains full ownership of its Qinzhou and Meishan lithium processing facilities in China.
Joint ownership of the Wodgina mine, with Albemarle and Mineral Resources each owning a 50% share and Mineral Resources serving as the operator.
Contractors
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Summary:
The 3600-2800Ma North Pilbara basement terrane consists of a series of ovoid multiphase granitoidgneiss domes bordered by sinuous synformal to monoclinal greenstone belts.
The Wodgina Greenstone Belt is a north to northeast plunging synclinal structure 25km long and 5km wide, preserved as a roof pendant separating the Yule and Carlindi granitoid complexes. It is composed principally of interlayered mafic and ultramafic schists and amphibolite, with subordinate komatiite, clastic sediments, BIF and chert. The komatiitic and metasedimentary units within the Wodgina area are tentatively correlated to the Kunagunarrina and Leilira Formations respectively.
Archean volcanic activity and sedimentation was followed by the intrusion of Archean granitic batholiths with consequent deformation and metamorphism of the sequence. Late stage granitic intrusions resulted in the emplacement of simple and complex pegmatite sills and barren quartz veins.
The Wodgina pegmatite district contains a number of prospective pegmatite groups, including the Wodgina Deposit.
The Wodgina lithium mineralisation is hosted within a number of sub-parallel, sub-horizontal, northeast trending pegmatite intrusive bodies which base of the massive pegmatite apparently with a dip at between 5° to 30° to the west-southwest.
At this time individual pegmatites vary in strike length from approximately 200m to 400m. The thinner near surface pegmatites vary from 10 ........
Summary:
Current and future proposed mining is by use of conventional drill, blast, load and haul open pit methods.
An Inter Ramp Angle of between 32° (east wall) and 43° (all other walls) has been used for optimisation/design based on a geotechnical investigation & design validated by historic slope performance.
A minimum mining width of 35m has been used in the pit designs.
Mining fleet includes 5 drill rigs, 3 excavators and 8 houl trucks. Final pit is designed of 310 metres depth with strip ratio of 3.1:1.
Flow Sheet:
Summary:
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Source:
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Reserves at June 30, 2023:
The Mineral Reserve estimate is reported above a cut-off grade of 0.5% Li2O.
Mineral Resources estimate is reported above a cut-off grade of 0.5% Li2O.
Mineral Resources are reported inclusive of Mineral Reserves.
Category | Tonnage | Commodity | Grade |
Proven
|
0.4 Mt
|
Li2O
|
1.22 %
|
Probable
|
164.3 Mt
|
Li2O
|
1.15 %
|
Proven & Probable
|
164.6 Mt
|
Li2O
|
1.15 %
|
Indicated
|
182.1 Mt
|
Li2O
|
1.15 %
|
Inferred
|
35.3 Mt
|
Li2O
|
1.19 %
|
Total Resource
|
217.4 Mt
|
Li2O
|
1.15 %
|
Commodity Production Costs:
| Commodity | Units | 2023 | 2022 |
Cash costs
|
Spodumene
|
AUD
|
......
|
......
|
Total cash costs
|
Spodumene
|
AUD
|
......
|
......
|
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Financials:
| Units | 2023 | 2022 |
Revenue
|
M AUD
| ...... | ...... |
EBITDA
|
M AUD
| ...... | ...... |
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Corporate Filings & Presentations:
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News:
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