B2Gold Corp. and Calibre Mining Corp. Announce New Drill Results Discover Significant Porphyry Style Gold and Copper Mineralization at the Primavera Project in Nicaragua

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Jan. 20, 2012) - B2Gold Corp. (TSX:BTO)(OTCQX:BGLPF)(PINKSHEETS:BGLPF) ("B2Gold" or the "Company") and Calibre Mining Corp. (TSX VENTURE:CXB) ("Calibre"), are pleased to announce results from the first three diamond drill holes from the Primavera project within the Borosi...