Special Report: De Grey’s Hemi discovery in Western Australia’s Pilbara region continues to scale up with drilling intersecting further wide gold intervals at the Aquila zone.

Notable results are 139.5m at 0.7 grams per tonne (g/t) gold from 103.89m, 27m at 2.7g/t gold from 152m, 32m at 2.5g/t gold from 168m and 22m at 2.4g/t gold from 131m.

De Grey (ASX:DEG) says the shallow gold mineralisation across the combined Aquila, Brolga and Crow gold systems remains open and now extends over 1,000m in width, 850m in strike and 300m in depth.

Results from drilling at the Brolga zone are expected next week while about 40 per cent of the initial 5,000m reverse circulation drilling at Crow has been completed.

The step-out extensional drilling on a nominal 80m by 80m basis continues across all deposits to assess the potential for a future large tonnage, low strip ratio open pit mining scenario.

Schematic section through Hemi Pic: Supplied

“The scale and dimensions of the near-surface mineralisation at Hemi continues to impress,” technical director Andy Beckwith said

“The size of Hemi continues to grow with every drill program and we are also confident that additional new discoveries will be made along this prospective corridor.”

Last week, the company said it had started preliminary metallurgical testwork on oxide, transition and primary mineralisation samples from the Brolga zone to provide indications as to the potential process flowsheet for the deposit and recoveries that could be expected.

Hemi was discovered in mid-December 2019 under a shallow ‘blanket’ of transported cover and is expected to substantially increase the current resource at the broader Mallina project, which currently has a resource of 2.2 million ounces.

>> Now watch: Stockhead V-Con: Gold Out West – The Explorers.

This story was developed in collaboration with De Grey Mining, a Stockhead advertiser at the time of publishing.
This story does not constitute financial product advice. You should consider obtaining independent advice before making any financial decisions.