** Shares of Altamin rise as much as 10% to A$0.033, hitting their highest levels since Sept 13

** The mineral explorer says it has identified multiple zinc, lead and silver mineralisations at Gorno Project in Italy

** Co says sampling results of the project increase its original mineral estimate

** Shares post their biggest intraday pct gain since Sept 13

** Miner's stock down 40%, YTD

(Reporting by Kumar Tanishk in Bengaluru)

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