new mines were discovered and exploited, like the well-known mines of rammelsberg, close to the town of goslar by the harz mountains. open-cast mining and metallurgical activities were mostly concentrated in the eastern alps, saxony, bohemia, tuscany, the rhineland, gaul and spain nef 1987 . french, flemish, but mainly german miners and .
yanacocha gold mine is located in the province and department of cajamarca region, about 800 kilometers northeast of lima, peru in the northern highlands at 3,500 and 4,100 meters above sea level. it operates in four primary basins and is the largest gold mine in south america.
history. development of the albion process started during the early nineties led by mount isa mines.it was first patented in 1993. several pilot plant projects were conducted in 1994 and 1995 which tested the feasibility of using the technology to process high arsenic gold and copper ore.
the ridgeway mining company also commissioned the confederate states mint to mint a coin out of the mine's gold and silver which it gave to the mine employees as gifts. reclamation. ridgeway began the mine reclamation process in 1999 after processing the last of the gold ore
list of gold mining disasters . a canadian-based company used gold cyanidation process to extract gold, resulted in 610,000 m³ of stored toxic water. following the company's bankruptcy, the us government spent over $155 million to clean the site. 1995 omai mine: guyana omai gold mines subsidiary of cambior canada 3 million cubic metres of cyanide-tainted waste was spilled into the omai .
the mine is designed to produce about 120,000 ounces of gold per year, making it one of the country's largest producers. multibillion-dollar indian liberty group owns two mines in china, and is scheduled to start mining in 2012 gold fields and australia's sino gold mining ltd., have set up a joint venture focused on discovering large gold .