MinRex Resources Limited (ASX: MRR) (“MinRex” or “the Company”) is pleased to announce the second ground reconnaissance field program over MinRex new acquired Lithium Projects in the East Pilbara of WA.

  • Large pegmatites hosting visible Spodumene, Lepidolite, Tourmaline, Tantalite, Cassiterite, Kunzite identified over the Tambourah North, Leavers Well and Twin Well Project areas.
  • Tambourah North Project hosts large, stacked pegmatites over 1.5km length by 150m in width.
  • Tambourah pegmatites housed in the Soansville Group Formation hosting Pilbara Minerals (ASX-PLS) Pilgangoora Lithium Deposit 226Mt @ 1.29% Li2O & Mineral Resources (ASX-MRL) Wodgina Lithium Deposit 236MT @ 1.2% Li2O.
  • Tambourah pegmatites stacked at surface in goldilocks zone in the Granite-Greenstone Pilbara Craton Super Suite-Soanville Group Formation and have visible coarse and fine grained Spodumene & Lepidolites with zoning along strike and across strike.
  • Leavers Well pegmatites host visible extensive coarse-grained tourmaline, albite rich with green Spodumene laths and acicular Spodumene in large pegmatite dyke over 450m wide and 1.5km strike length.
  • Twin Wells Prospect extensive stacked pegmatite swarms over 650m wide & historically mined form Tantalum containing Beryl, Corundum and Kunzite (lithium oxide) as found at Tabba Tabba Tantalum Deposit Western Pilbara WA.
  • 16 rock chip samples recovered from reconnaissance, with assays pending.
  • No modern exploration drilling for Lithium has ever been carried out within the tenement areas.
  • Minrex advancing Heritage Agreement and Native Title Surveys over Marble Bar Lithium Projects
  • Planning for RC Drilling underway to test pegmatites over all 3 project areas.
  • MinRex well-funded $5.1M cash on hand to commence Lithium exploration in the Pilbara.

About the Reconnaissance Field Trip

Lithium expert geologists Mr George Karageorge, Mr Pedro Kastellorizos along with Dr Darren Holden and Mr Ian Shackleton, (founding Geologist of the Global Lithium Resources ASX-GLI Archer Lithium deposit in Marble Bar) conducted a helicopter reconnaissance program over the Tambourah North Lithium Project, Haystack Well Lithium Project, and the Coondina South Lithium Projects.

MinRex Resources Limited Non-Executive Director Mr Karageorge commented:

“We are delighted to have identified spodumene within extensive outcropping pegmatites over 3 Projects areas. These rich spodumene stacked pegmatites have extensive width, strike and zoning which have all the hallmarks of a potential Archer Lithium Deposit.

MinRex is currently working on the first RC drill program to test the extensive stacked pegmatites over all 3 project areas with a view of signing the drilling contractor to undertake drilling over the projects once all approvals have been issued.

Tambourah North Lithium Project

Tambourah is located approximately 200 km south southeast of Port Hedland and 80km southwest of Marble Bar within the Pilbara Mineral Field. Access is via the Great Northern Highway or the Marble Bar – Port Hedland Road and the connecting Woodstock – Hillside Road. In 2013 Altura Mining Limited identified outcropping lithium mineralisation hosted within pegmatites. Initial investigation of the licence for rare metal mineralisation suggests that lithium is present as lepidolite in pegmatites located along the granite-greenstone margin. The dykes are up to 1 km in strike and 100 meters width and trend east-west across the dominant structural trend at Tambourah. 2

During the reconnaissance, a series of stacked pegmatites hosting spodumene striking 3300 over 1 km with approximately 50m in width were located within the greenstone belt. Acicular-lepidolite-albite-muscovite rich pegmatites were located on the contact zone between the Petroglyph Gneiss and Apex Basalt greenstone belt.

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