| 河北张百湾中生代盖层下隐伏磁铁石英岩型铁矿床的勘查条件 |
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| 引用本文： | 李健,贾大成,白雪山,李永占,裴尧,宋运红.河北张百湾中生代盖层下隐伏磁铁石英岩型铁矿床的勘查条件[J].世界地质,2009,28(2):187-192. |
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| 作者姓名： | 李健 贾大成 白雪山 李永占 裴尧 宋运红 |
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| 作者单位： | 1. 河北省地质矿产勘查开发局第四地质大队, 河北 承德 067000; 2. 吉林大学地球探测科学与技术学院, 长春 130026 |
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| 摘 要： | 矿床勘查条件是寻找隐伏铁矿的基础。通过对河北张百湾隐伏铁矿勘查的, 归纳了寻找隐伏磁铁石英岩型铁矿的勘查条件。原始含矿建造是寻找隐伏铁矿的基础条件, 盖层的厚度和产状及岩性对寻找隐伏铁矿起限制作用, 断裂构造对隐伏铁矿起破坏作用, 但简单的差异性升降对隐伏铁矿勘查的影响程度不大。航磁异常是寻找隐伏铁矿的重要条件, 地面高精度磁异常是寻找隐伏铁矿的充分条件, 而对地面磁测数据的合理处理是了解深部磁性体产状变化和埋深的必要条件。
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| 关 键 词： | 隐伏铁矿床 勘查条件 航磁异常 地面磁异常 河北 张百湾 |
Exploration conditions of buried magnetite-quartzite type iron deposit covered by Mesozoic strata in Zhangbaiwan , Hebei Province |
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| LI Jian,JIA Da-cheng,BAI Xue-shan,LI Yong-zhan,PEI Yao,SONG Yun-hong.Exploration conditions of buried magnetite-quartzite type iron deposit covered by Mesozoic strata in Zhangbaiwan , Hebei Province[J].World Geology,2009,28(2):187-192. |
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| Authors: | LI Jian JIA Da-cheng BAI Xue-shan LI Yong-zhan PEI Yao SONG Yun-hong |
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| Institution: | 1. The No.4 Geologic Party, Hebei Bureau of Geology and Mineral Exploration and Development, Chengde 067000, Hebei, China; 2. College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China |
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| Abstract: | Exploration conditions are the basement in search for buried iron deposit. The exploration conditions of buried magnetite-quartzite type iron deposit were concluded through the prospecting of Zhangbaiwan buried iron deposit in Hebei. Original ore-bearing formations are the foundational conditions for prospecting buried iron deposits, thickness and occurrence aswell as lithology of the cover rocks restrict the exploration of buried lron deposits. Faults destroy the buried iron deposits, but the influences of simple otherness movements in faults are limited to affect the exploration. Aeromagnetic anomalies are important conditions, ground super precision magnetic anomalies are sufficient conditions to find buried iron deposits and the rational treatment of magnetic data are necessary conditions to understand the occurrence and buried depth of the magnetic body. |
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| Keywords: | buried iron deposit exploration condition aeromagnetic anomaly ground magnetic anomaly Hebei Zhangbaiwan |
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