Santa Fe Gold Corporation agrees to acquire Columbus Silver Corporation for $0.20 per share in cash

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Sept. 7, 2011) - Columbus Silver Corporation (TSX VENTURE:CSC) ("Columbus Silver") has entered into a memorandum of understanding (the "MOU") under which the publicly-listed U.S. company Santa Fe Gold Corporation (OTCBB:SFEG) ("Santa Fe") has conditionally agreed to...