Cornerstone and Thundermin Commence 3, 800 Metre Diamond Drilling Program on the 100% Owned, Past-Producing, Whalesback Copper Mine

MOUNT PEARL, NEWFOUNDLAND--(Marketwire - Dec. 8, 2011) - Cornerstone Capital Resources Inc. ("Cornerstone") (TSX VENTURE:CGP) (FRANKFURT:GWN) (BERLIN:GWN) (OTCBB:CTNXF) and 50% joint venture partner Thundermin Resources Inc. ("Thundermin") announce that they have commenced a diamond drilling program comprising approximately 3,800 metres in 13-15 holes at their 100% owned, past-producing, Whalesback Copper Mine ("Mine"). The Mine, which was in production from 1965-1972, is located approximately ...continued CGP:CA CTNXF

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