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GEOLOGICAL AND GEOCHEMICAL STUDY ON THE GENESIS OF THE FANKOU Pb-Zn DEPOSIT
Authors:ZHANG Shu-gen  ZHAN Jian-pu  HUANG Man-xiang  FAN Zhong-heng  WANG Li  MA Guo-qiu  LIU Rui-di  YANG Han-zhuang  LIU Sheng-bo  XU Shui-ping  LUO Wen-sheng
Abstract:The super-large Pb-Zn deposit at Fankou is very complex in metallogenic mechanism.Syngenetic brine sedimentation,hot submarine spring eruption-accumulation,syngenetic sedimentation-vadose brine replacement had been supposed as the genetic models before.Under these models,syngenetic mineralization should be dominant in ore formation.However,a series of geological and geochemical properties investigated by authors of this paper are contrary to these models.Therefore,the authors here suggest that this deposit is a typical polygenetic compound ore deposit which share the properties of multistages of geotectonic evolution,multifactors of mineralization control,multisystem of material derivation of mineralization,multimodes of mineralization and multitypes of genesis.
Keywords:Genesis  ore deposit  the Fankou ore district
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