** Shares of Golden Rim Resources GMR.AX fall up to 7.5%
to A$0.037, their biggest pct loss since Oct. 21
** The gold explorer announces Craig Mackay to step down as
chief executive and managing director after 21 years
urn:newsml:reuters.com:*:nASX4jhCf2
** Says Tim Strong to replace Mackay from Nov. 1
** GMR says Strong's commodity experience with a focus on
West African gold will aid co to progress its Kada Gold project
** Stock hits its lowest since Oct. 25
** Broader gold sub-index .AXGD down 1.4%
** GMR down 71.4% this year as of last close
(Reporting by Savyata Mishra in Bengaluru)
((Savyata.mishra@thomsonreuters.com))