湘南荷花坪锡铅锌矿区燕山期黑云母花岗岩的厘定-高校地质学报.PDF

See discussions, stats, and author profiles for this publication at: /publication/266410115 The confirmation of Yanshanian biotite granite in the Hehuaping Sn-Pb-Zn district, Southern Hunan Province, China Article · ecember 2011 CITATIONS REA S 4 54 5 authors, including: Rongqing Zhang Rucheng Wang Guangzhou Insititute of Geochemistry, Chine… Nanjing University 53 PUBLICATIONS 198 CITATIONS 116 PUBLICATIONS 1 296 CITATIONS SEE PROFILE SEE PROFILE ongsheng Ma Nanjing University 72 PUBLICATIONS 1 007 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: In-situ cassiterite U-Pb dating and trace elements fingerprinting by LA-ICP-MS View project Microbe-Mineral-water interactions View project All content following this page was uploaded by Rongqing Zhang on 20 January 2015. The user has requested enhancement of the downloaded file. 2011 年 12 月，第 17 卷，第 4 期，513-520页 高 　校　地　质　学　报 December 2011，Vol. 17， No.4， p. 513-520 Geological Journal of China Universities 湘南荷花坪锡铅锌矿区燕山期黑云母花岗岩的厘定 * 章荣清，陆建军 ，王汝成，姚 远，朱金初，马东升 内生金属矿床成矿研究国家重点实验室，南京大学 地球科学与工程学院，南京 210093 摘要：王仙岭花岗岩侵位于印支期。过去一直认为荷花坪锡铅锌矿为印支期矿床，与王仙岭岩体有关。经多年的野外考察 和钻孔资料研究发现，荷花坪地区存在隐伏花岗岩体，其岩性不同于王仙岭花岗岩。本文选取钻孔中粗粒黑云母花岗岩， 利用La-MC-ICP-MS法对其进行锆石年代学研究，获得U-Pb年龄为（157.1±0.8） Ma，显示其为燕山早期。荷花坪花岗岩 -6 -6 A/CNK比值为1.02， RE