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金属矿山 ›› 2013, Vol. 42 ›› Issue (03): 111-115.

• 地质与测量 • 上一篇    下一篇

钦杭成矿带皖浙赣相邻区成矿地质背景对比

陈芳1,2,杜建国2,许卫2,汤金来2   

  1. 1.中国地质大学(北京)地球科学与资源学院;2.安徽省地质调查院
  • 出版日期:2013-03-15 发布日期:2013-04-16
  • 基金资助:

    * 国土资源部地质大调查项目 (编号:1212010881616),省级地质勘查专项基金项目(编号:2010-g-14)。

Comparative Studies on the Ore-forming Geological Background in the Anhui-Zhejiang-Jiangxi Border Region of Qinhang Metallogenic Belt

Chen Fang1,2,Du Jianguo2,Xu Wei2,Tang Jinlai2   

  1. 1.School of the Earth Sciences and Resources,China University of Geosciences(Beijing);2.Geological Survey of Anhui Province
  • Online:2013-03-15 Published:2013-04-16

摘要: 在总结前人研究成果的基础上,对比研究了钦杭成矿带安徽部分(皖南地区)、江西部分(赣东北地区)和浙江部分(浙西地区)的矿源层、岩浆岩、地质构造。赣东北地区燕山期与斑岩有关的多金属矿床发育的根本原因是幔源岩浆直接参与成矿作用,赣东北地区与斑岩体有关矿床发育的关键原因在于斑岩体形成的构造环境既有拉张,又有挤压,另外赣东北地区深大断裂发育,从而有利于深源岩浆参与成矿作用,且矿源层多,并具多阶段成矿作用。皖南的逍遥岩体是皖南寻找W、Mo、Cu、Ag等矿床的有利地段,休宁天井山金矿成矿前景乐观。

关键词: 皖浙赣, 燕山期, 矿源层, 幔源岩浆, 构造环境

Abstract: Based on the summary of the previous results,the paper studies the source beds,magmatic rocks and geological structure in Zhejiang(western Zhejiang)-Anhui (southern Anhui)-Jiangxi(northeastern Jiangxi) border region of Qinhang metallogenic belt.The mantle magma directly participated in mineralization is the fundamental factor for the development of the polymetallic deposits related to porphyry in Yanshanian at the northeastern Jiangxi,and the structural environment with both tension and compression is the key factor.Furthermore,more discordogenic faults in the northeastern Jiangxi are developed,which benefits the mineralization participated by deep magma.The northeastern Jiangxi also has more source bed,and has experienced multistage mineralization.The Xiaoyao rock is the favorable place for prospecting deposits of W,Mo,Cu and Au,and Tianjingshan Gold Deposit in Xiuning has an optimistic mineralization prospect.

Key words: Zhejiang-Anhui-Jiangxi border region, Yanshanian, Source bed, Magmatic rock, Tectonic environment