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康欢,江思宏,韩宁,陈春良.德国拉梅尔斯贝格铜-锌-铅-钡矿床研究进展[J].地质通报,2017,(8):1483-1492.
德国拉梅尔斯贝格铜-锌-铅-钡矿床研究进展    点此下载全文
康欢  江思宏  韩宁  陈春良
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
基金项目:中国地质调查局项目《中亚及邻区铜镍铀资源潜力评价与应用示范》(编号:121201103000150006)和《澳洲-印度克拉通重要矿床地质背景与成矿规律研究》(编号:1212011120325)
DOI:
摘要:
      拉梅尔斯贝格矿床是中欧华力西期最重要的SHMS(以沉积岩为容矿围岩的块状硫化物)类矿床之一,位于莱茵海西期地体的上哈茨地块。该矿床形成于泥盆纪,矿体赋存于艾菲尔阶的威森巴赫页岩中,经华力西造山运动发生了强烈的变形。主要有新矿体、老矿体和富含重晶石的灰色矿体,主要硫化物矿物为黄铁矿、闪锌矿、方铅矿和黄铜矿。硫同位素数据显示,拉梅尔斯贝格矿床有2个硫源,一个是热液成因;一个是生物成因,来自细菌还原的海水中的硫酸盐。铅同位素说明,它的铅主要来自均匀的地壳。与其他SHMS类矿床相比,拉梅尔斯贝格矿床明显富铜。
关键词:SHMS类矿床  莱茵海西期地体  威森巴赫页岩  拉梅尔斯贝格  德国
Research progress of the Rammelsberg Cu-Zn-Pb-Ba deposit, Germany    Download Fulltext
KANG Huan  JIANG Sihong  HAN Ning  CHEN Chunliang
MLR Key Laboratory of Metallogeney and Mineral Assessment, Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China
Fund Project:
Abstract:
      Located in the Upper Harz of Rhenohercynian terrane, the Rammelsberg deposit is one of the most important SHMS (sediment-hosted massive sulfide) deposits of the Variscan period in Central Europe. The deposit is hosted by the Devonian Eifelian Wissenbach shale, and the orebodies were intensely deformed by the Variscan oregeny. The main orebodies are composed of the old orebody, new orebody and the barite-rich gray orebody. The principal sulfide minerals are pyrite, sphalerite, galena and chalcopyrite. The data of the sulfur isotopes show two sulfur sources for the Rammelsberg deposit, one was from the hydrothermal component, and the other was from the biogenic compontent bacterial reduction of sea water sulfate. The Pb isotopes show that the lead was de-rived from a homogeneous crustal source. Compared with the other SHMS deposits, the Rammelsberg deposit is relatively copperenriched.
Keywords:SHMS deposit  Rheno Hercynian terrane  Wissenbach shale  Rammelsberg  Germany
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