Birimian (ASX:BGS) Announcement – Goulamina Drilling Progress Report



  • RC drilling at Danaya and Yando completed.
  • RC drilling at Danaya intersects very wide (>117m) spodumene bearing pegmatite zone.
  • First assay results for Yando received, demonstrating the presence of high Li20 grades.
  • Regional auger drilling program approximately 30% completed, with spodumene rich pegmatites encountered.
  • Airborne magnetic survey awarded.

Birimian Limited (ASX: BGS; Birimian or the Company) is pleased to provide a further exploration update to its announcement of 7 November 2017 on the status of reverse circulation (RC) and auger drilling programs and other general progress being made at the Goulamina Lithium Project (the Project) in southern Mali.

The 5,000m RC program currently being drilled by Amco Drilling Mali SARL (Amco) targeting the Yando and Danaya prospects and Sangar zone (see Figure 1) is 96% completed, as of 19 November 2017.

The remaining drilling under this contract will be completed on schedule at Sangar this week. Birimian has confirmed rig availability with Amco to undertake further drilling at Sabali as an extension to the existing contract, as well as further resource expansion drilling at Sangar, West and Main zones.

Danaya Prospect

The 11-hole RC drilling program at the Danaya prospect has been completed, with very encouraging results returning from the southern section. Geological logging of two holes shows large intersections of spodumene-bearing pegmatite (26–143m – end of hole for >117m of pegmatite in hole GMRC174).

The hole was abandoned in pegmatite due to water flow issues impeding further progress.

The northern drill cross section at Danaya exhibited a deeper weathering profile and consequently some Li20 depletion may be anticipated in this section.


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