While cyanide in mining is nothing new, using heap leaching to process gold didn't come along until the 1970s, McCullough said, when the first such mine was opened in Nevada. The process opened up the ...

An announcement from Torchlight Innovations, Inc. ( ($TSE:RZL) ) is now available. RZOLV Technologies has completed a bulk-scale vat leach ...

RZOLV Technologies Inc. (TSXV: RZL) (the "Company" or "RZOLV") today reported the results of a bulk-scale vat leach metallurgical test conducted at an independent, operating gold mine in Arizona, ...

Aton Resources ( ($TSE:AAN) ) has shared an update. Aton Mining has released preliminary metallurgical test results from its Abu Marawat deposit ...

Pacgold Limited is preparing to place up to 250,000 tonnes of ore under cyanide irrigation at its White Dam project in South ...

VANCOUVER, BC, Nov. 21, 2022 /PRNewswire/ - New Pacific Metals Corp. ("New Pacific" or the "Company") (TSX: NUAG) (NYSE American: NEWP), together with its local Bolivian partner, are pleased to report ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Several mountain ranges in Montana contain mineral deposits of gold in extremely dilute ...

HELENA — Opposing camps traded barbs Monday night at a lively and long-winded hearing on a bill that would send a 1998 voter-passed ban on cyanide leach gold and silver mining back to the people. Sen.

HELENA - A Whitehall consulting firm, backed by money from mining company Canyon Resources Corp., took the first formal step Tuesday toward repealing Montana's 1998 ban on cyanide leach mining. Tammy ...

PRAGUE--(BUSINESS WIRE)--Draslovka a.s (‘Draslovka’), a leading specialty chemicals company, has agreed with Barrick Gold Corporation (‘Barrick’), to roll out a global testing and implementation ...

RZOLV Technologies Inc. (TSXV: RZL) (the "Company" or "RZOLV") today reported the results of a bulk-scale vat leach metallurgical test ...