** Shares of Australia's Buxton Resources rise as much as 8.9% to A$0.061, their biggest intraday pct gain since Aug 1
** Stock at its highest level since Sept 30
** The diversified miner gets heritage clearances to allow for drilling at co's Centurion project in Western Australia (WA)
** Around 430,800 shares change hands, vs 30-day average volume of 155,374 shares
** Stock has fallen 64.7% so far this year
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))