** London-listed shares of gold miner Endeavour Mining EDV.L up 7.8% at 3,466p - top gainer FTSE 100 index
** Co forms JV with Kazakhstan-focused gold and base metals explorer East Star Resources EST.L for exploration and development of gold projects in Kazakhstan
** Endeavour to earn up to an 80% interest in JV through staged investments
** Separately, co reports 23% rise in YTD gold production
** RBC analysts say Q3 gold production of 264koz was 2% ahead of consensus
** EDV's London-listed shares have risen about 143% YTD
(Reporting by Yamini Kalia in Bengaluru)
((Yamini.Kalia@thomsonreuters.com))