| 东昆仑洪水河铁锰矿床特征及发现意义 |
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| 引用本文： | 刘世宝, 张爱奎, 刘光莲, 周青禄, 张大明, 王生明, 刘永乐. 东昆仑洪水河铁锰矿床特征及发现意义[J]. 西北地质, 2016, 49(1): 197-205. |
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| 作者姓名： | 刘世宝 张爱奎 刘光莲 周青禄 张大明 王生明 刘永乐 |
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| 作者单位： | 1.青海省地质调查局, 青海 西宁 810001;; 2.中国地质大学地球科学与 资源学院, 北京 100083;青海省第三地质矿产勘查院, 青海 西宁 810029;; 3.青海省第三地质矿产勘查院, 青海 西宁 810029 |
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| 基金项目： | 中国地质调查局"青海省都兰县洪水河-清水河地区铁矿调查评价"(12120113029700)和青海省"青海省都兰县卜郭勒锰多金属矿预查"([2015]78号)联合资助 |
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| 摘 要： | 沉积变质型锰矿是国内外重要的矿床类型,洪水河铁锰矿床是近年来东昆仑地区铁锰矿勘查的重要发现.笔者在对洪水河铁锰矿床成矿地质背景和矿床特征研究基础上,认为矿床产于蓟县系狼牙山组,矿体受地层层位和岩性控制明显,铁锰矿床的形成经历了碎屑沉积、热水沉积、变质作用和表生氧化作用,矿质的沉淀与缺氧环境密切相关,矿床成因属于沉积变质型.东昆仑地区蓟县系狼牙山组分布广泛,该矿床的发现不仅可带动青海省铁锰矿的勘查和研究,而且进一步拓展了中元古代锰矿的勘查地域范围.
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| 关 键 词： | 矿床特征 找矿意义 铁锰矿 沉积变质型 狼牙山组 洪水河 东昆仑 |
| 收稿时间： | 2015-10-10 |
| 修稿时间： | 2015-10-26 |
Geological Characteristics of the Hongshuihe Iorn-manganese Deposit in Eastern Kunlun Metallogenic Belt and Its Discovery Significance |
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| LIU Shibao, ZHANG Aikui, LIU Guanglian, ZHOU Qinglu, ZHANG Daming, WANG Shengming, LIU Yongle. Geological Characteristics of the Hongshuihe Iorn-manganese Deposit in Eastern Kunlun Metallogenic Belt and Its Discovery Significance[J]. Northwestern Geology, 2016, 49(1): 197-205. |
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| Authors: | LIU Shibao ZHANG Aikui LIU Guanglian ZHOU Qinglu ZHANG Daming WANG Shengming LIU Yongle |
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| Affiliation: | 1.Qinghai Bureau of Geology Survey, Xining 810001, Qinghai, China;; 2.College of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing, 100083, China;No. 3 Exploration Institute of Geology and Mineral Resources of Qinghai Province, Xining 810029, Qinghai, China;; 3.No. 3 Exploration Institute of Geology and Mineral Resources of Qinghai Province, Xining 810029, Qinghai, China |
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| Abstract: | The sedimentary-metamorphic manganese deposit is an important type of mineral deposit in China and abroad. The Hongshuihe iorn-manganese deposit is the important discovery for Iorn-Manganese ore prospecting in Eastern Kunlun recently. Based on the study about the geological background and the deposit characteristics of Hongshuihe iorn-manganese deposit, the main achievements are obtained as follows. This deposit is located in Jixianian Langyashan Formation, and the ore-body is controlled by stratigraphic position and lithology. It is formed in anoxic environment through the debris deposition, hydrothermal sedimentary, metamorphic and supergene oxidation, which belongs to sedimentary-metamorphic deposit. The discovery of Hongshuihe deposit not only can actuate the exploration and research works of iron-manganese ore in Qinghai Province, but also can expand the prospecting area of Mesoproterozoic manganese deposit. |
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| Keywords: | deposit geological characteristics prospecting significance iorn-manganese deposit sedimentary-metamorphic type Langyashan Formation Hongshuihe Eastern Kunlun |
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