Geological characteristics and mineralization setting of the Zhuxi tungsten (copper) polymetallic deposit in the Eastern Jiangnan Orogen

Volume: 59, Issue: 4, Pages: 803 - 823
Published: Oct 30, 2015
Abstract
江西朱溪白钨(铜)多金属矿是近年发现的一个特大型矿床,发育在富含钨铜元素的新元古代泥砂质岩石基底之上,产在燕山期花岗岩与石炭-二叠纪灰岩的接触带.与矿化有关的花岗岩主要是等粒状、中-粗粒状花岗岩和花岗斑岩.存在矽卡岩白钨(铜)矿和花岗岩白钨矿两种矿化类型,前者规模大,品位富,后者规模小,品位低.在塔前-赋春盆地,其NW边界呈逆断层、SE边界呈角度不整合与元古代基底接触,而石炭-二叠纪多个岩组中灰岩的钨铜元素含量都很高.矿区外围与矿区内花岗岩类的主量元素含量差别不大,其A/CNK值均>1.1,属富钾的强过铝质花岗岩.在微量元素上,矿区内花岗岩比外围花岗岩的 δ Eu值更小,更具显著的Eu负异常,富集Rb, U, Ta, Pb和Hf,亏损Ba, Ce, Sr, La和Ti,属于演化程度更高的高分异S型花岗岩.受流体作用的影响,矿区内岩体硫化物矿化明显, SO 3 平均含量0.2%.和外围岩体相比,矿区内花岗岩 δ...
Paper Details
Title
Geological characteristics and mineralization setting of the Zhuxi tungsten (copper) polymetallic deposit in the Eastern Jiangnan Orogen
Published Date
Oct 30, 2015
Volume
59
Issue
4
Pages
803 - 823
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