| 西藏念青唐古拉地区铜铅锌多金属矿床热水沉积岩特征与成矿关系 |
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| 引用本文： | 张旺生,曹新志,燕长海,杜欣. 西藏念青唐古拉地区铜铅锌多金属矿床热水沉积岩特征与成矿关系[J]. 地质科技情报, 2009, 28(1) |
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| 作者姓名： | 张旺生 曹新志 燕长海 杜欣 |
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| 作者单位： | 中国地质大学地球科学学院,武汉,430074;中国地质大学资源学院,武汉,430074;河南省地质调查院,郑州,450007 |
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| 基金项目： | 中国地质调查局地质大调查项目 |
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| 摘 要： | 结合西藏念青唐古拉地区目前已发现的铜铅锌多金属矿床或矿(化)点的岩石学研究,并根据各岩类稀土元素的化学组成特征,进一步判断出硅质岩类、富长石岩类、夕卡岩类、富铁锰质碳酸盐岩类、硫酸盐岩类等各岩类的成岩构造环境,研究表明热水沉积岩与热水沉积成矿作用关系十分密切,认为该地区绝大多数铜铅锌矿床属"热水沉积矿床"范畴,成因上与晚古生代裂谷带发育的热水沉积岩密切相关,是旁多(林周)裂谷带扩张充填阶段最重要的成矿事件.
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| 关 键 词： | 念青唐古拉 裂谷带 热水沉积岩 铜铅锌多金属矿床 |
The Character of Hot-Water Sedimentary Rock and Metallogenic Relation of Metallic Copper-Lead-Zinc Mine of Nyainqentanglha in Tibet |
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| ZHANG Wang-sheng,CAO Xin-zhi,YAN Chang-hai,DU Xin. The Character of Hot-Water Sedimentary Rock and Metallogenic Relation of Metallic Copper-Lead-Zinc Mine of Nyainqentanglha in Tibet[J]. Geological Science and Technology Information, 2009, 28(1) |
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| Authors: | ZHANG Wang-sheng CAO Xin-zhi YAN Chang-hai DU Xin |
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| Affiliation: | 1a.Faculty of Earth Sciences;1b.Faculty of Earth Resources;China University of Geosciences;Wuhan 430074;China;2.Henan Institute of Geological Survey;Zhengzhou 450007;China |
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| Abstract: | The paper studies petrology of 42 copper-lead-zinc multi metallic deposits or point of mineralization found in the area of Nyainqentanglha in Tibet.It is found that the hot water-borne sedimentary rocks of this area are typical and diversified.According to the chemical composition of the characteristics of the rare earth elements,the paper further identifies the diagenetic tectonic setting of siliceous rocks,oligoclase rocks,Fe-Mn carbonated rocks,sulphate karst and the close relationship between the hot wa... |
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| Keywords: | Nyainqentanglha rift valley zone hot water-borne sedimentary rock copper-lead-zinc multi metallic deposit |
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