** Shares of Hamelin Gold HMG.AX rise ~12% to A$0.066
** Stock post sits biggest intraday pct gain since Dec. 6
** Mineral resources explorer says drilling confirms gold mineralisation at West Tanami project in Western Australia
** Stock fell ~19% last year
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))