De Grey Mining has released new data revealing further expansion to its highly prospective Hemi gold project in Western Australia.
Drilling at the Aquila and Crow deposits in the northern region of the Hemi project has bolstered the company’s definitive feasibility study (DFS) that supports an impressive mineral resource estimate (MRE).
The Aquila-Crow intrusive body currently extends up to 1km east-west and 0.7km north-south.
The intrusive body was originally interpreted to pinch out at depth below Aquila. More recent interpretation suggested the intrusive continues at depth.
“Drilling beneath the DFS pit shells and below the current mineral resource at Aquila-Crow demonstrates that a large mineralised system extends to depth and is still open,” De Grey general manager exploration Phil Tornatora said.
The nearby McLeod lodes refer to high grade lodes that occur in the south-east of the Crow deposit.
The lodes show different characteristics to the bulk of the Hemi mineralisation and are generally associated with smokey quartz veining with visible gold.
“The McLeod lodes in the south of Crow continue to return high grade intercepts and it is exciting to see similar style mineralisation persists in deeper holes below Aquila,” Tornatora said.
“This extension drilling has strong potential to add to the Hemi MRE, in addition to supporting conceptual studies into potential future underground mining.”
De Grey announced earlier this month that Hemi had locked in more than $1 billion from commercial banks and government agencies for its development.
The funding followed previous promising drilling results from Hemi, which included extended mineralisation at the Eagle deposit for a further 200m down plunge, with mineralisation still open at depth and potentially along strike.
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