TECHNOLOGY

Milling cost cut opportunity

RECENT testwork at Havilah Resources’ Kalkaroo copper project in South Australia shows the company could save some money on its milling costs.

Havilah has received some positive results from testwork at its Kalkaroo project.

Havilah has received some positive results from testwork at its Kalkaroo project.

The oxide ore types of saprolite gold and native copper consist of both clay and relatively soft weathered rock called "saprock". Studies have shown that although the majority of saprock requires grinding,...

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