** Shares of Australia's Gorilla Gold Mines GG8.AX rise as much as 5.8% to A$0.455, a peak since August 12; last up 3.5%

** Stock logs biggest intraday pct gain since August 21

** Gold miner says a review of material found during exploration at the Comet Vale gold project in Western Australia confirms further high-grade gold at the Lakeview area within the site

** YTD, shares up 71.2%

(Reporting by Shruti Agarwal in Bengaluru)

((Shruti.Agarwal@thomsonreuters.com))