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河南罗山县母山钼矿床成矿作用特征及锆石LA-ICP-MS U-Pb同位素年代学
引用本文:杨梅珍,曾键年,任爱群,陆建培,潘思东.河南罗山县母山钼矿床成矿作用特征及锆石LA-ICP-MS U-Pb同位素年代学[J].矿床地质,2011,30(3):435-447.
作者姓名:杨梅珍  曾键年  任爱群  陆建培  潘思东
作者单位:1. 地质过程与矿产资源国家重点实验室,中国地质大学,湖北武汉430074;中国地质大学,湖北武汉430074
2. 中国地质大学,湖北武汉,430074
3. 河南省地质矿产勘查开发局第三地质调查队,河南信阳,464000
基金项目:本文得到地质过程与矿产资源国家重点实验室开放课题(编号:GPMR201014)和河南省国土资源厅2007年度省“两权价款”地质科研计划项目(编号:2882)的联合资助
摘    要:母山钼矿床是大别山北缘地区斑岩型钼矿床的典型代表,以发育于花岗斑岩体内、外接触带的细网脉浸染型矿化为特征,并具有以岩体顶部由早期硅化形成的无矿石英核为中心的典型的斑岩热液体系蚀变分带模式.在无矿石英核的石英中,富气相包裹体和含石盐子矿物的三相包裹体共存,说明其原始岩浆流体曾发生过低压相分离.流体包裹体均一温度测试结果表...

关 键 词:地球化学  细脉浸染型矿化  母山钼矿床  锆石U-Pb年龄  河南省

Characteristics of Mo mineralization and zircon LA-ICP-MS U-Pb geochronology of Mushan Mo deposit from Luoshan County, Henan Province
YANG MeiZhen,ZENG JianNian,REN AiQun,LU JianPei,PAN SiDong.Characteristics of Mo mineralization and zircon LA-ICP-MS U-Pb geochronology of Mushan Mo deposit from Luoshan County, Henan Province[J].Mineral Deposits,2011,30(3):435-447.
Authors:YANG MeiZhen  ZENG JianNian  REN AiQun  LU JianPei  PAN SiDong
Institution:YANG MeiZhen1,2,ZENG JianNian1,REN AiQun3,LU JianPei2 and PAN SiDong2(1 State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Wuhan 430074,Hubei,China,2 China University of Geosciences,3 Third Geological Survey Team,Henan Bureau of Geo-exploration and Mineral Development,Xinyang 464000,Henan,China)
Abstract:Mushan Mo deposit,a typical porphyry molybdenum deposit occurs in the northern margin of Dabie Mountain,is characterized by veinlet-disseminated mineralization and typical porphyry hydrothermal system alteration envelope centering the unmineralized quartz core formed by silicification early at the top of granitic porphyry.The coexistence of vapour-rich and halite-bearing three-phase inclusions indicates that the primitive magmatic fluid has experienced phase separation under low pressure.The results of homo...
Keywords:geochemistry  veinlet-disseminated mineralization  Mushan Mo deposit  U-Pb age of zircon  Henan Province
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