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浙江青田石平川钾长花岗岩特征及其成因探讨
引用本文:叶泽富,鄢云飞,张彦杰,万方.浙江青田石平川钾长花岗岩特征及其成因探讨[J].资源调查与环境,2010,31(2):87-92.
作者姓名:叶泽富  鄢云飞  张彦杰  万方
作者单位:1. 中国地质大学资源学院,武汉,430074;浙江省地质勘查局第十一地质大队,温州,325006
2. 中国地质大学资源学院,武汉,430074
3. 南京地质矿产研究所,南京,210016
4. 浙江省地质勘查局第十一地质大队,温州,325006
摘    要:青田县石平川钼矿床是浙江省现已发现的规模最大的钼矿床,多数人认为石平川钼矿床的形成与钾长花岗岩有密切关系.本文主要从岩相学、岩石地球化学、LA-ICPMS锆石U-Pb年代学等方面研究石平川钾长花岗岩,并探讨其成岩环境及成因.研究表明,石平川岩体属于高钾钙碱性、弱过铝质S型花岗岩,其形成于早白垩世晚期挤压环境,源岩物质主要是壳源,并有少部分幔源物质成分参与.

关 键 词:石平川钾长花岗岩  钼矿床  地球化学  U-Pb锆石年龄  S型花岗岩

Characteristics and genesis of Shipingchuan potash-feldspar granite in Qintian county, Zhejiang Province
YE Ze-fu,YAN Yun-fei,ZHANG Yan-jie,WAN Fang.Characteristics and genesis of Shipingchuan potash-feldspar granite in Qintian county, Zhejiang Province[J].Resources Survey & Environment,2010,31(2):87-92.
Authors:YE Ze-fu  YAN Yun-fei  ZHANG Yan-jie  WAN Fang
Institution:YE Ze-fu1,2,YAN Yun-fei1,ZHANG Yan-jie3,WAN Fang2(1.Resources Institute of China University of Geosciences,Wuhan,430074,China)(2.The 11th.Geological Team of Zhejiang Province,Wenzhou,325006,China)(3.Nanjing Institute of Geology and Mineral Resources,Nanjing,210016,China)
Abstract:hipingchuan Mo-deposit in Qingtian county is a biggest molybdenum deposit in Zhejiang province at present,and most of researchers consider that the genesis of this deposit is closely related to the K-feldspar granite.This paper studies petrography,petrogeochemistry,LA-ICPM zircon U-Pb geochronology of the K-feldspar granite to approach its diagenetic environment and genesis.The study shows that the Shipingchuan K-feldspar granite belongs to high potassium calc-alkaline,weakly peraluminous S-type granite,whi...
Keywords:Shipingchuan potash-feldspar granite  molybdenum deposit  petrogeochemistry  U-Pb zircon ages  S-type granite  
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