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Golden State Mining on the hunt for gold and lithium discoveries at the Yule Project in WA’s Pilbara

Phase-3 air core drilling is underway in the sought-after Archean Mallina Basin where the company is targeting LCT (lithium) pegmatite in fertile lithium prospective granite.

Golden State Mining has begun third phase air core (AC) drilling at the Yule Project in the Mallina Basin over multiple gold and lithium target areas.

The 15,000m drilling campaign in Western Australia’s Pilbara region will be targeting areas established during the first two phases of AC drilling as well as the newly granted Yule East tenement (E45/5570).

Follow-up drilling is planned at Yule South targets 1, 2A, and 5 while new targets will also be tested at Golden State Mining’s (ASX:GSM) Yule North (E47/3508) tenement.

A multi-target program with lithium focus 

Managing Director Michael Moore said the company is pleased to have secured a drill rig in this current environment where rig availability is a constant challenge.

“With 15,000m of air core drilling planned over gold and lithium target areas, the company is once again delivering a significant multi target drilling program.

Of particular interest during this third phase of reconnaissance drilling is the lithium focus within the Yule East tenement, where a large granite pluton of the Split Rock Supersuite is interpreted to serve as a fertile source for LCT pegmatite mineralisation in the Mallina Basin.

“The lithium potential of this tenure has long been recognised and we are looking forward to drill testing the first batch of targets and establishing gold and lithium vectors for future drilling.”

A multi target drilling program for 15,000m has kicked off at the Yule Project. Pic: Supplied.

Lithium targeting

GSM considers the interpreted geological sequence of the Mallina Basina to be a highly prospective target area for LCT pegmatite mineralisation, based on a range of spatial, geochemical, and geochronological evidence.

A large granite pluton of the Split Rock Supersuite lies on the eastern side of the tenement and is interpreted to serve as a fertile source for LCT pegmatite mineralisation in the Mallina Basin, with increasingly fractionated pegmatites developing westward away from this major pluton.

This granite suite is known to be linked to the rare metal (LCT) pegmatite occurrences in the North Pilbara Craton and represents the last major intrusive event.

LCT pegmatite RC drilling program

Four LCT pegmatite targets have been generated based on known lithium pathfinder analysis identified from the first two phases of AC results completed in 2020.

A 1,500m RC drilling program is planned to test these target areas and will begin as soon as a suitable rig can be secured.

Additional tenement applications

Two further Yule tenement areas have been applied for, E47/4586 and E47/4587, adding a further 22.4 sq km to the GSM tenure position and taking the total granted and applied tenure to 730.65 sq km.

This bolsters the strategic holding in the Mallina Basin where the company continues to generate and systematically drill test gold, lithium, and base metal targets.

Gold drilling results

In August, GSM completed a reverse circulation drilling program for 3,542m over three key gold target areas, with drill samples submitted for analysis at a laboratory in Perth.

Results are expected in mid-October due to current wait times being 10-12 weeks.


 

 

This article was developed in collaboration with Golden State Mining, a Stockhead advertiser at the time of publishing.

 

This article does not constitute financial product advice. You should consider obtaining independent advice before making any financial decisions.

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