** Shares of Marmota rise as much as 8.3% to A$0.039, their highest since Sept. 27

** Mineral explorer says it has intercepted multiple high-grade close-surface gold mineralisations at Aurora Tank in South Australia

** Over 2.9 mln shares change hands, 5.3x the 30-day avg

** Stock down 11.6% YTD, including current session's moves

(Reporting by Kumar Tanishk in Bengaluru)

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