PRAGUE--(BUSINESS WIRE)--Draslovka a.s. (‘Draslovka’), a leading specialty chemicals company, announces it has executed a user license with Bayan Airag Exploration LLC in Mongolia for the world's ...

RENO, Nev., July 28, 2020 /PRNewswire/ -- Itronics Inc. (OTC: ITRO), an emerging "Cleantech Materials" growth Company that produces GOLD'n GRO Multi-Nutrient Fertilizers and Silver, updates its ...

Arizona Gold & Silver Inc (TSX-V:AZS, OTCQB:AZASF, FRA:A9J0) has reported results from metallurgical test work at its Philadelphia gold-silver project in Mohave County, Arizona, highlighting strong ...

Curtin University scientists have developed a gold and copper extraction process using an amino acid–hydrogen peroxide system, which could provide an environmentally friendly and cheaper alternative ...

The spill of about two million tonnes of cyanide-soaked ore at a Yukon gold mine was one of the two “most catastrophic failures” in the 45-year history of the heap-leaching mining process, an engineer ...

The spill of about two million tonnes of cyanide-soaked ore at a Yukon gold mine was one of the two “most catastrophic failures” in the 45-year history of the heap-leaching mining process, an engineer ...

This short video describes the gold extraction process employed at a Black Hills mine A short video about the process of operating the Golden Reward gold mine in the Black Hills during the late 1980s ...

The heap leach facility at the Casino mine will be different from the one that failed last summer at the Eagle gold mine in the Yukon, according to the mining company. The Casino mine — which is still ...