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黄铁矿的环带结构与金矿源的关系——以皖南东至金矿化区为例
引用本文:杨书桐.黄铁矿的环带结构与金矿源的关系——以皖南东至金矿化区为例[J].地质找矿论丛,1993,8(2):53-60.
作者姓名:杨书桐
作者单位:南京大学地球科学系
基金项目:国家七·五攻关项目子课题
摘    要:

关 键 词:金矿床  矿化  黄铁矿  环带结构  矿源
收稿时间:1992/4/17 0:00:00

IMPLICATION OF THE ZONAL TEXTURE OF GOLD-BEARING PYRITES ON GOLD SOURCE: AN EXAMPLE FROM DONGZHI GOLD METALLOGENIC FIELD, SOUTHERN ANHUI
Yang Shutong.IMPLICATION OF THE ZONAL TEXTURE OF GOLD-BEARING PYRITES ON GOLD SOURCE: AN EXAMPLE FROM DONGZHI GOLD METALLOGENIC FIELD, SOUTHERN ANHUI[J].Contributions to Geology and Mineral Resources Research,1993,8(2):53-60.
Authors:Yang Shutong
Institution:Dept. of geosciences, Nanjing Univ.
Abstract:Based on the study of sedimentary disseminated pyrites in Late Mid-Proterozoic Mukeng formation, the paper has demonstrated that double zonal texture, i.e. compositional and genetic zonation existed in gold-bearing pyrites. Its rim, subject to the reworking of fluids and reequilibrium, genetically proved sedimentary and also released a large amount of gold which turned to be potential sources; In a contrary, its core stayed unchanged because of closed protection effect. The zonal texture within pyrites shows great importance on gold prospecting and exploration.
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