** Shares of Mithril Silver and Gold jump as much as 21.4% to A$0.540, their biggest pct gain since Sept. 25

** Metal explorer says it has intersected multiple gold and silver mineralisations at Copalquin District project in Mexico

** Stock hits its highest levels since Oct. 9

** 4.6 mln shares change hands, 1.3x the 30-day avg

** Stock up 147.5% YTD, including current session, as of 0437 GMT

(Reporting by Kumar Tanishk in Bengaluru)

((Tanishk.Kumar@thomsonreuters.com;))