LEADVILLE, Colo.--(BUSINESS WIRE)--CJK Milling Company, LLC (CJK) is excited to announce the elimination of cyanide in our mill extraction process. “We listened to the concerns of the Leadville ...

Scientists at Australia’s national science agency, CSIRO, have developed a new process designed to improve gold recovery and recycle toxic cyanide used in mining. The method, called ‘Sustainable Gold ...

Getting your Trinity Audio player ready... A company that wants to extract gold from piles of decades-old mining waste outside Leadville no longer plans to use cyanide in its processes after hearing ...

Getting your Trinity Audio player ready... LEADVILLE — Millions of tons of waste from decades-old mining operations sit in the hills east of town. The brown and orange piles of abandoned ore rise 30 ...

A research team has developed the world's first eco-friendly silver (Ag) plating technology using a phosphorus (P) compound as a key plating component. This breakthrough technology enables silver ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

On Monday, the Montana Department of Environmental Quality announced it has transferred an operating permit from Majesty Mining to Bear Claw Mining Services for a gold and silver mine near Norris that ...

WASHINGTON--(BUSINESS WIRE)--The International Cyanide Management Code reached an important milestone this week with its announcement of the 1,000 th certification in the program’s history, which ...

Gold is one of the world’s most popular metals. Malleable, conductive and non-corrosive, it’s used in jewelry, electronics, and even space exploration. But traditional gold production typically ...

CJK Milling Company Selects Extrakt Process Solution’s TNS™ and its Non-Cyanide Leach Technology to Recover Gold and Silver for Its Remediation Operation in Leadville, Colorado CJK Milling Company, ...