Klondike Gold hunts for source of the Yukon Gold Rush

Band cites Mount Polley disaster in rejecting mine development.

Grupo Mexico has denied reports claiming it did not immediately report a massive acid spill from its Buenavista mine in the country's north.

More oil from pipeline means more greenhouse gases.

Output at the company's mines reached a record 3,855,223 silver equiv. oz., up 6% from the previous quarter.

A case in point: AngloGold Ashanti's Americas division produced gold at $765 per ounce, almost $100 an ounce less than its South African operations.

An estimated 10 million cubic metres of water and 4.5 million cubic metres of fine sand was released.

"We have two once pristine lakes that are now Imperial Metals tailings ponds."

In the 30 years Rio Tinto's Argyle Pink Diamonds have been tendering the rare gems, only 13 red diamonds have been brought in.

Index gained 9% from April to June, outperforming the S&P/TSX Composite index, which gained 6%, and the London Metal Exchange index, which gained 7% in the same period.