** Shares of Westar Resources WSR.AX rise as much as 9.1%
to A$0.012, their highest level since March 28
** The mineral explorer says gold sampling has commenced at
Mindoolah mining centre in Western Australia's Murchison region
** Says it is potential for partnerships with large-cap gold
producers for toll treatment
** About 1.3 mln shares change hands, compared with the
30-day average volume of 569,214 shares
** Stock down 42.1% this year as of last close
(Reporting by Megha Rani)
((Megha.Rani2@thomsonreuters.com;))