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新疆准噶尔北缘托斯巴斯套铁铜金矿床矽卡岩和磁铁矿矿物学特征及其地质意义/Mineralogical Characteristics of Skarn in Tuosibasitao Iron-Copper-Gold Deposits of the Northern Margin of Junggar, Xinjiang, and Their Geological Significance[J]
Authors
CHAI Feng-mei
L(U) Shu-jun
+13 more
LI Qiang
YANG Fu-quan
ZHANG Zhi-xin
中国地质大学(北京)地球科学与资源学院,北京100083
中国地质科学院矿产资源研究所,国土资源部成矿作用与资源评价重点实验室,北京 100037
中国科学院新疆生态与地理研究所新疆矿产资源研究中心,新疆乌鲁木齐,830011
吕书君
张志欣
新疆大学地质与矿业工程学院,新疆中亚造山带大陆动力学与成矿预测实验室,新疆乌鲁木齐830049
李强
杨富全
柴凤梅
湖南省地质矿产勘查开发局407队,湖南怀化418000
Publication date
1 January 2013
Publisher
Abstract
托斯巴斯套铁铜金矿床赋存于中泥盆统北塔山组火山岩与闪长(玢)岩的接触带中,矿体呈脉状、透镜状,矿体及其周围发育大量矽卡岩.本文分别利用电子探针、电感耦合等离子体质谱法(ICP-MS),对托斯巴斯套铁铜金矿附近的石榴子石、辉石、绿帘石的化学组分及磁铁矿的主量及微量元素开展研究.结果表明:矽卡岩矿物中石榴子石端员组分以钙铝榴石一钙铁榴石系列为主,辉石端员组分以透辉石为主,绿帘石化学成分富铁富钙,这些特点表明矿区矽卡岩具有钙矽卡岩特征.矽卡岩是由岩浆热液流体交代北塔山组基性火山岩而形成的,磁铁矿的形成与矽卡岩的退化变质作用有关.在石英-硫化物-碳酸盐阶段形成铜和金矿化
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Last time updated on 29/11/2016