Title: TYPOMORPHIC CHARACTERISTICS OF MAJOR MINERALS IN PUZIWAN GOLD DEPOSIT,YANGGAO,SHANXI
Abstract:Utilizing the theories of minerageny and prospecting mineralogy,the author studied the attitude,morphotype and chemical composition of metallic minerals of pyrite,gold,chalcopyrite,galena and sphaleri...Utilizing the theories of minerageny and prospecting mineralogy,the author studied the attitude,morphotype and chemical composition of metallic minerals of pyrite,gold,chalcopyrite,galena and sphalerite,non-metallic minerals of quartz,carbonate, dolomite and rutile in Puziwan goid deposit.The result indicated that:(1)Mineral assemblage is complex, the species of sulfide were abundant with minor sulfosalt minerals;(2)The composition in minerals is complex,and the trace elements of As,Sb,Bi,Se,Te,Au,Ag,Cu,Pb,Zn and Cr,Ni,V are rich;the typomorphic characteristics of the association of elements and their specific value suggest that gold mineralization is associated with shallow magmatic hydrothermal acitivity, the ore-forming fluid is the mixture of the rising rich alkali magmatic water originated from mantle or lower crust and the descending acid atmosphere water,and beschtauite(breccia) formed at Yanshan epoch is the essential factor of gold mineralization.(3)Fe-rich minerals of dolomite,Fe-rich sphalerite are abundant,granular,Ti-rich rutile distribute widely,referring that the degree of denudation is deep,the mineralization temperature is high,and the position of this deposit is located in mid-shallow depth of porphyry system, gold mineralization in the present depth is disadvantageous;(4)the copper minerals in ores are rich,the degree of Cu in sulfide is high, indicating that porphyry Cu (Au) mineralization may exist in the depth.Read More
Publication Year: 2003
Publication Date: 2003-01-01
Language: en
Type: article
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