Geological and geochcmical studies in Sinar area,
located in the north east of Khonlsan pruvince, indicate the
presence of antimony in a vast area. This cleme nt mainly
occurs as st ihni te , associated wi th na tive antimony,
kerlncsite, getchellite ('!), pyrite, chalw pyrite. arseno pyrite,
tctrahcdrite .md ga lena, in carbonate rock.'i, as veins.
veinlcts and disseminations. The gangue minerals arc
calcilc,doiomitc, barite and qua rtt. Inves tiga tions ind ica te
that thrust fllulis and brecciated zones arc the most
important channclways for migration or arc tluids, and
deposi tion of the a re assemblage and The mineralization
has occurred in seve ral physico. chcmic The strategic importance of antimony, and its
association with valu mercury and arsen ic, demand more detail inves tigat io ns in
this region.