Australia's Golden Deeps rises on buying project in Namibia
** Golden Deeps GED.AX jumps 7.7% to A$0.021; set for biggest intraday pct gain since January 3 ** Mineral explorer buys 80% stake in Central Otavi critical metals project in Namibia ** Says acquisition will increase co's holdings to more than 440 sq km in the Otavi Mountain Land Metallogenic Belt, which hosts major deposits ** About 431,420 shares traded, 2x the 30-day avg ** GED sheds 16% YTD (Reporting by Jasmeen Ara Shaikh in Bengaluru) ((JasmeenAraIslam.Shaikh@thomsonreuters.com;))