** Shares of Australia's Castle Minerals CDT.AX rise as much as 60% to A$0.004, their biggest intraday gain since June 2020
** Stock at its highest level since Oct. 2024
** Mineral explorer says strong gold intercepts at its Kpali Gold Prospect located in Ghana
** Near 69.7 mln shares change hands, vs 30-day average volume of 2.7 mln shares
** Stock has risen 75% this year, as of 0208 GMT
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))