** Shares of Australia's Eastern Resources EFE.AX rise as much as 48.7% to A$0.055, their highest level since July 3, 2024; stock last up 18.9%
** Stock posts its biggest intraday pct gain since December 6, 2024
** Diversified mineral explore to earn up to 80% interest in the Marengo gold project, Queensland
** Says historical geochemical and geophysics exploration shows potential of a large intrusion related system in tenement area
** Says project a low-cost entry to an exploration opportunity with upside potential
** About 16.8 mln shares change hands, 88.5 times the 30-day avg, highest volume since October 2022
** Stock up 57.1% YTD, including the session's moves
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))