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High-potential greenfields lithium exploration opportunity

The Tambourah Project (E45/5484 & E45/5839) is considered highly prospective for gold & Lithium Caesium Tantalum (LCT) pegmatite deposits. The Project hosts the Western Shaw Greenstone Belt, which occurs on the eastern limb of an anticline folded around the Tambourah Dome. The greenstone rocks comprise Archean-aged metavolcanic, metasedimentary, and various granitoids that occur as large plutons and smaller intrusives.

The Tambourah Lithium Project is located 70km south-east of Pilbara Minerals’ (ASX: PLS) world-class Pilgangoora lithium mine site in the Pilbara region of Western Australia (Figure 3).

Trek’s extensive landholding at Tambourah comprises two Exploration Licences (E45/5484 & E45/5839) which are 100%-owned by ACME Pilbara Pty Ltd, a wholly-owned subsidiary of Trek Metals Ltd.

The Project encompasses the central portion of the 15km long Western Shaw Greenstone Belt, which occurs on the eastern limb of an anticline folded around the Tambourah Dome. The greenstone rocks comprise Archean-aged metavolcanic, metasedimentary, and various granitoids with associated pegmatitic phases.

High-grade lithium assays of up to 3.07% Li2O confirm significant potential at Tambourah. Outstanding rock chip sample results returned from across multiple spodumene-
bearing pegmatite dykes at the Tambourah Project. Multiple recently identified spodumene-bearing pegmatite dykes confirmed by laboratory assay to contain high-grade lithium, with results including:

Historic rock chip results highlight the presence of a large, fractionated LCT pegmatite swarm prospective for lithium, with good correlation to both the previously reported anomalous stream sediment data and mapped pegmatites on the ground.

Heritage surveys at the Tambourah project were completed in April of 2023 covering high-priority lithium-bearing pegmatites at the Eastern and Central Prospect areas.

Trek Metals maiden drilling campaign at Tambourah commenced on the 26th of June 2023. The initial 3,800m Reverse Circulation (RC) drilling program has been designed to follow-up the high-grade lithium spodumene-bearing pegmatite dykes identified at surface in the Eastern Prospect area, where high-grade rock chip results were returned last year.

The program will also test the high-priority Central Prospect area, where lithium-caesium-tantalum (LCT) pegmatites and fractionated fertile pegmatites are interpreted to be located within or close to the lithium
zone.