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 ...

Since the modern gold rushes of the 1970s and 1980s, gold has been one of Australia's major exports. Australia is the second-largest gold producer globally behind China and holds the second largest ...

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 ...

BOISE, Idaho (AP) -- A company wants to use cyanide as part of gold mining in the Boise River watershed, the second application in 2004 for a mining permit to extract gold from land above the capital.

It said it had fielded "multiple inquiries" regarding whether cyanide in gold mining was banned within the European Union, which includes French Guiana. Montagne d'Or has a 2.75 million ounce gold ...

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 ...

At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...