Copper – Mining Weekly reported that three workers were killed and more were missing after a training tunnel collapsed at the world's second-largest copper mine, located in Indonesia, owned by Freeport-McMoRan Copper & Gold Inc.
Copper – Turquoise Hill Resources (TSX:TRQ, NYSE:TRQ, NASDAQ:TRQ) announced their first quarter financial results.
Copper – South American Silver Corp. (TSX:SAC,OTCQX:SOHAF) filed its first quarter 2013 financial statements and the related management's discussion and analysis of financial position and results of operations (MD&A).
Copper – Mercator Minerals Ltd. (TSX:ML) announced financial results from the first quarter.
Copper – American CuMo Mining (TSXV:MLY,OTCQX:MLYCF) announced drill results from its 2012 diamond drilling program on its molybdenum/copper CuMo Project in Idaho. The reported results confirmed the established geological model, as well as the excellent grade continuity of the mineralized zones.
Copper – Mineweb reported that private U.S. equity firm Carlyle is bidding for Rio Tinto's 80 percent interest in the Australian Northparkes copper mine.
Copper – Reuters reported that Rio Tinto is close to receiving approval from the Mongolian government to make copper shipments from their Oyu Tolgoi mine, which the company hopes to use to offset losses after a landslide at their Bingham Canyon mine.
Copper – Mining Weekly reported that Tiger Resources has taken important steps towards securing bridge financing worth $30 million after FirstRand Bank confirmed internal credit approval.
Copper – Nevada Copper Corp. (TSX:NCU) announced results showing that drilling intersected multiple zones of mineralization along the south edge of the North deposit at Pumpkin Hollow.
Copper – Reuters reported that Sterlite Industries's Indian copper smelter closure has been extended until at least May 14, putting upward pressure on copper concentrate processing fees.
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