| 滇西北兰坪金顶超大型矿床研究新进展:侵位角砾岩的发现及其地质意义 |
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| 引用本文：.2005.New progress in study of superlarge Jinding Pb_Zn deposit：Discovery of intrusive breccia and its geological implications[J].Mineral Deposits,24(4):457~461 |
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| 基金项目:国家重点基础研究发展规划项目（2002CB4126007）和国家科技攻关项目（2003BA612A_05） |
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| 中文摘要:兰坪金顶超大型矿床各种角砾岩和角砾岩型矿体十分发育，通过对角砾岩型矿体形态、产状、与围岩接触关系和角砾岩自身结构特点的研究，作者首次发现并提出灰岩角砾岩型矿体是一种侵位角砾岩，其形成机制类似于现代泥火山。 |
| 中文关键词:地质学 侵位角砾岩 铅锌矿床 超大型 兰坪金顶 |
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| New progress in study of superlarge Jinding Pb_Zn deposit：Discovery of intrusive breccia and its geological implications |
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| Abstract:There are many breccia_type orebodies in the Jinding lead_zinc ore district, in which the authors found for the first time intrusive breccia_type orebodies. Studies show that the original rock of the limestone breccia_type orebody is a kind of intrusive breccia. Instead of a kind of Paleocene continental sedimentary breccia, it is a half_fluid mixture of oil, lead_zinc carbonate and gypsum_solution rubbles, and its origin is similar to that of modern mud volcano. The longitudinal axial fracture zone of Lanping basin is a mud_volcano conduit, and the intrusive breccia type lead_zinc orebody with “concrete characteristics” was formed in the upright fractural zone of Jinding district. |
| keywords:geology, intruded breccia, lead_zinc deposit, superlarge, Jinding |
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