Top 10 copper mines plunge $134 billion in value

China Guangdong Nuclear Power Corp (CGNPC) declared its offer for Kalahari Minerals unconditional on Friday, paving the way for it to launch a takeover bid for Extract Resources, owner of one of the world's largest uranium mines.

Some shareholders have sued Hecla Mining Co. for stock losses they endured after the federal government shut down the Lucky Friday Mine for safety violations.

Stornoway Diamond Corp. (TSX:SWY) will make it a priority during 2012 to obtain all the permitting and financing needed to get its northern Quebec Renard Project in construction by mid-2013, according to company officials.

In an escalating media war, the makers of the movie Gasland put together a good looking infographic to get out their message that hydraulic fracturing is bad.

The $80 billion proposed merger of commodities trader Glencore and Swiss-based miner Xstrata could lead to a fresh round of acquisitions in iron ore, Reuters is reporting today.

Imperial Oil is spending $2 billion to expand its Cold Lake insitu oilsands operation in northeastern Alberta.

American-based heavy equipment maker Caterpillar (NYSE:CAT) through its subsidiary Electro-Motive Canada (EMC), said today that it is closing EMC's locomotive production operations at its London, Ontario plant, after several months of unsuccessful contract negotiations with the Canadian Auto Workers union.

Gold futures eased Friday after better than expected US jobs data made further relaxation in Fed monetary policy, already very loose, less likely and money flowed into stocks.