Preliminary Study on Orn Deposit Associated Silver in Jiangxi Baoshan

Associated silver mainly occur in BAOSHAN Skaren type Scheelite、lead and zinc polymetallic deposit with higher -value. The paper had preliminary studied the BAOSHAN silver and Come to following conclusions:1) Galena is the most important minerals carrier of Silver. BAOSHAN silver with 1～15μIndependent sub-particulate silver distributed in Galena and other sulfide minerals; 2) Silver of embedded fabric are main coated,the balance are intergranular;3) Silver's content show distributed higher to lower from North to South、higher East to lower West and under the poor rich. It is positive correlation with main elements Pb、Zn and Cu in content;4)Mineralization time:silver are main distributed in the late stage of sulphide; its content show higher to lower with Galena to Chalcopyrite to Pyrrhotite to Arsenopyrite to Sphalerite to Pyrite to Scheelite;5) Silver's account for 94% content of total in Lead Concentrates with size+34.2μ～-8.3μ. Suggestion:Associated silver's recovery depend on the Lead、cupper and zinc content's higher recovery.