As global copper shortages loom, the mining industry is turning to nascent technology to find ways to extract larger volumes ...

Today, about 20% of the world’s copper is produced from copper oxide ores. Copper is extracted by crushing the rock, placing it in a giant pile, and spraying it with dilute acid.

A total of 67 rock samples (excluding QA/QC blanks and standards ... All samples were analyzed for silver, copper, oxide copper (CuOX), iron, lead, and zinc using Aqua regia digestion followed by ...

Morocco Strategic Minerals Corporation (TSXV: MCC) has announced promising results from its recent sampling program at the BMR copper-gold property.

The new green copper play in the Northern Cape expects to be cash positive from its second month of operation. Big Tree Copper, a rebrand of Cape Copper Oxide, will begin producing copper plate ...

Pan Asia Metals has kicked off a metallurgical bulk leach testing program on copper oxide ore from its Rosario ... When the ore forms a blanket-like body along the bedding plane of the rock, ...

The Rayfield target is largely covered by glacial till; however, bornite, chalcopyrite and copper oxide minerals were identified in outcrop and scree rock samples. The highest copper grade was ...

10Mtpa copper needed over next 10 years. From a supply point of view, although scrap supply is set to increase from around one third of global copper today to around 40% by 2035, BHP estimates ...

Figure 1: Photo of Rich Copper Oxide Sample taken from Historical Trench next to Historical Shaft at Blue Rock Valley. Sample OBR 002 assayed 12.34% Copper Figure 2: Blue Rock Valley project ...