| 内蒙古鄂伦春自治旗大杨树一带膨润土矿地质特征 |
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| 引用本文： | 李英雷,宋广超,田华,成帅,任燕飞,李健.内蒙古鄂伦春自治旗大杨树一带膨润土矿地质特征[J].地质与资源,2010,19(4):306-310. |
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| 作者姓名： | 李英雷 宋广超 田华 成帅 任燕飞 李健 |
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| 作者单位： | 1. 内蒙古自治区第三地质矿产勘查开发院, 内蒙古 呼和浩特 010050;2. 中国石油勘探开发研究院, 北京 100083;3. 中国矿业大学研究生院资源与地球科学学院, 江苏 徐州 221008 |
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| 摘 要： | 通过对内蒙古鄂伦春自治旗大杨树一带膨润土矿地层、构造、围岩蚀变等地质特征的调查研究，查明矿体主要赋存于白垩系下统龙江组的岩屑晶屑凝灰岩及角砾岩中.矿体分为东西两部分，根据埋藏深度和成矿条件，东部矿体分为4层，西部矿体分为3层.通过对矿石的物理化学性能分析，确定了该区膨润土矿石类型属钙基、蒙脱石型，并初步确定矿体的成因类型为火山碎屑蚀变型.
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| 关 键 词： | 膨润土矿 矿床地质 火山碎屑蚀变 内蒙古 |
| 收稿时间： | 2010-07-23 |
GEOLOGIC CHARACTERISTICS OF THE BENTONITE DEPOSIT IN DAYANGSHU AREA,INNER MONGOLIA |
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| LI Ying-lei,SONG Guang-chao,TIAN Hua,CHENG Shuai,REN Yan-fei,LI Jian.GEOLOGIC CHARACTERISTICS OF THE BENTONITE DEPOSIT IN DAYANGSHU AREA,INNER MONGOLIA[J].Geology and Resources,2010,19(4):306-310. |
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| Authors: | LI Ying-lei SONG Guang-chao TIAN Hua CHENG Shuai REN Yan-fei LI Jian |
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| Institution: | 1. Inner Mongolia No. 3 Institute of Geology and Mineral Exploration, Hohhot 010050, China;2. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China;3. Postgraduate School, College of Resource and Earth Sciences, China University of Mining and Technology, Xuzhou 221008, Jiangsu Province, China |
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| Abstract: | Survey and research are carried out on the geologic characteristics such as stratigraphy,structure and wallrock alteration for the bentonite deposits around the Dayangshu area in Inner Mongolia.It is clarified that the orebodies occur in the lithic-crystal tuff and breccia of Longjiang formation,Lower Cretaceous.The orebodies are in two separate parts.By the depths and ore-forming conditions,the orebody in the east part can be divided into four layers;while that in the west,three layers.Based on the physical and chemical analysis for the ore,the bentonite in the area is recognized as calcium-based montmorillonite type,genetically formed by volcanic debris alteration. |
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| Keywords: | bentonite deposit geologic characteristics volcanic debris alteration Inner Mongolia |
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