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Brightstar Resources has identified 11 priority gold exploration targets across its Two Mile Hill–Bull Oak corridor in Western Australia, with drilling set to commence in November to investigate potential new discoveries.
The targets, located within Brightstar’s 3.6-million-ounce Sandstone gold project, were identified through geological and geophysical analysis seeking mineralisation similar to the company’s existing Two Mile Hill-Shillington and Bull Oak deposits.
These two deposits collectively contain approximately 1.8 million ounces of gold, representing around half of Sandstone’s mineral resource estimate (MRE).
Brightstar managing director Alex Rovira said the company’s recent exploration success had prompted a broader reassessment of Sandstone’s potential.
“Recent exploration success at both Two Mile Hill and Bull Oak has highlighted the significance of these deposit styles within the Sandstone Greenstone Belt,” Rovira said.
“Both deposits are hosted by felsic intrusive units, a deposit type that demonstrates the scale and grade potential to contribute materially to future mining scenarios.”
The 11 targets range from areas containing small existing mineral resources to previously undrilled geophysical anomalies, with several considered ready for immediate testing.
Prospects including Twin Shafts, Bullet, Mt Klempt and Mt Klempt South have been prioritised for reverse circulation (RC) drilling, supported by existing geological evidence and historical exploration results.
At Mt Klempt South, previous drilling returned 9m at 2.7 grams per tonne (g/t) gold from 16m, including 1m at 19.4g/t gold.
Meanwhile, historic drilling at Twin Shafts intersected 4m at 7.74g/t gold from 50m, highlighting potential mineralisation beneath its existing 6000-ounce resource.
“The initial targeting work has incorporated the available data and identified 11 intrusive-type targets so far,” Rovira said.
“It is exciting to have multiple target areas confirmed by independent, complementary data sets that are highly analogous to the characteristics observed at Two Mile Hill and Bull Oak.”
The exploration strategy builds on recent high-grade drilling at Bull Oak, which returned 167m at 2.07g/t gold, and a major resource upgrade at Two Mile Hill, where the inventory nearly doubled to 1.45 million ounces.
Brightstar is also undertaking a 6500m deep-drilling campaign at Two Mile Hill, targeting further mineralisation within the Shirvington Zone beneath the existing resource.
The company expects additional assays from that program during November, alongside an updated Two Mile Hill MRE and Sandstone pre-feasibility study during the December quarter.
Meanwhile, a detailed ground gravity survey is underway to refine the remaining regional targets and identify further prospective areas.
Initial RC drilling will focus on the most advanced prospects before a broader corridor-wide exploration campaign planned for 2027.
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