PRECIOUS METALS

De Grey says initial Hemi met results 'excellent'

DE GREY Mining has reported "excellent metallurgical results from initial testing" of Brolga mineralisation at its outstanding Hemi gold discovery in Western Australia, with conventional carbon-in-leach and sulphide flotation (incorporating pressure oxidation), showing recoveries of 93-96.3%.

Rocks through POX equals gold at Hemi

Rocks through POX equals gold at Hemi

De Grey said other methods of oxidation would be assessed during ongoing testwork, with current examples of POX circuits being Macraes, Porgera, Lihir, various Carlin deposits in the USA and Alacer Gold's...

Start a free trial to continue reading this article
Already have an account?  
Subscribe now

A growing series of reports, each focused on a key discussion point for the mining sector, brought to you by the Mining News Intelligence team.

A growing series of reports, each focused on a key discussion point for the mining sector, brought to you by the Mining News Intelligence team.

editions

MiningNews.net Research Report 2024

Access a multi-pronged tool to identify critical risks and opportunities in Australia’s mining industry.

editions

Mining Journal Intelligence Investor Sentiment Report 2024

Survey revealing the plans, priorities, and preferences of 120+ mining investors and their expectations for the sector in 2024.

editions

Mining Journal Intelligence Mining Equities Report 2023

Access an exclusive, inside look on the quarterly mining IPOs and secondary raisings data and mining equities performance tables with an annual Stock Exchange Comparisons supplement.

editions

Mining Journal Intelligence World Risk Report 2023 (feat. MineHutte ratings)

A detailed analysis of mining investment risks across 121 jurisdictions globally, built on 11 ‘hard risk’ metrics and an industrywide survey.