New $5.5 million exploration program for Hillgrove Mine gives hope .Jan 31, 2016 . Hillgrove Mine east of Armidale is set to retain 28 workers after the . was now looking for more valuable deposits of antimony and gold.hillgrove gold and antimony mine,Antimony and arsenic dispersion in the Macleay River catchment .Antimony and arsenic dispersion in the Macleay River catchment, New South Wales: a . and disseminated stibnite, arsenopyrite, pyrite and traces of gold. . Although small volumes of near-neutral mine-water seepages at Hillgrove contain.
hillgrove gold and antimony mine