viewAlita Resources Ltd

Alliance Mineral Assets identifies new exploration target at Bald Hill Lithium and Tantalum Mine

In the coming months the company will undertake systematic drilling of Pegmatite 3 West as part of the current 60,000 metre drill program.

Operations at the Bald Hill Lithium and Tantalum Project

Alliance Minerals Assets Ltd (ASX:A40) drilling has provided further evidence of a new extensive mineralised pegmatite body at Bald Hill Lithium and Tantalum Mine in Western Australia.

A drill hole (LRCD0842), which formed part of recent exploration drilling, has intersected 20 metres of coarse-grained spodumene-bearing pegmatite from 189 metres.

The intersection is between a hole to the north and several substantial intersections to the south and this area has been interpreted as being a single sub-horizontal pegmatite body or group of bodies.

Bald Hill mine long section showing pegmatites west of the current pit design

READ: Alliance Mineral Assets lowers lithium and tantalum mine production costs by 33%

Alliance managing director Mark Calderwood said: “We anticipated that the deepest pegmatite body below and to the west of the current pit design - referred to as Pegmatite 3 West, could be linked to the 21 metres at 1.5% lithium oxide intersection in a water exploration drill hole located some 1.15 kilometres to the north.

“The mineralised pegmatite intersection in LRCD0842 strongly supports this interpretation.

“The exploration target of 17-24 million tonnes for Pegmatite 3 West does not include overlying pegmatites which form part of the current 13.5 million tonnes inferred mineral resource and which are the main focus of infill and extensional drilling.”


Calderwood added: “Only 20% of the 8.8-kilometre prospective southern mineralised area (SMA) has been drill tested for lithium to date – the SMA itself represents only 1.1% of the entire Bald Hill tenure.”

Pegmatite 3 West exploration target parameters and assumptions

The western and northern limits of the known extent of Pegmatite 3 West contain 21 wide spaced drill intersections, all of which are mineralised and 17 of which contain substantial mineralisation.

Based on these drill holes, Alliance has defined a 1-kilometre exploration target area and estimates the exploration target ranges from 17 million tonnes to 24 million tonnes grading 1.25% to 1.40% lithium oxide and 150 to 180ppm tantalum pentoxide.

Pegmatite 3 West contains both coarse spodumene and tantalum minerals but is predominantly spodumene-type pegmatite and is adjacent to or below current operations and existing resources and reserves.

Ongoing exploration

Two reverse circulation drill rigs are drilling on the eastern extension of the current resource.

A diamond rig is drilling RCD0842 to test Pegmatite 3 West and potential deeper pegmatites to determine the optimal drill depth north and west of the pit.

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