| 青海祁漫塔格地区航磁异常特征及找矿前景 |
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| 引用本文： | 张洪瑞,熊盛青,范正国,谭林,朱晓颖,杨雪,曹宝宝.青海祁漫塔格地区航磁异常特征及找矿前景[J].物探与化探,2012(2):163-169. |
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| 作者姓名： | 张洪瑞 熊盛青 范正国 谭林 朱晓颖 杨雪 曹宝宝 |
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| 作者单位： | 1. 中国地质大学地球物理与信息技术学院,北京100083
2. 中国国土资源航空物探遥感中心,北京100083 |
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| 基金项目： | 中国地质大调查项目(1212010916080) |
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| 摘 要： | 利用青海祁漫塔格地区1：5万高精度航磁资料，结合成矿地质背景、构造特征分析了该区航磁异常特征，并依据知矿（床）点的分布及成矿规律对祁漫塔格地区成矿带进行了划分，筛选了一批重点找矿异常，建立了以航磁异常信息为主的综合找矿标志，进而圈定了多个多金属找矿远景区段。对该区下一步矿产勘查部署提供重要依据，并为地面找矿工作提供重要的找矿线索。
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| 关 键 词： | 航磁异常特征 金属成矿带 找矿前景分析 祁漫塔格 |
AEROMAGNETIC ANOMALY CHARACTERISTICS AND ORE-SEARCH PROSPECTS OF QIMANTAG AREA IN QINGHAI PROVINCE |
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| ZHANG Hong-rui,XIONG Sheng-qing,FAN Zheng-guo,TAN Lin,ZHU Xiao-ying,YANG Xue,CAO Bao-bao.AEROMAGNETIC ANOMALY CHARACTERISTICS AND ORE-SEARCH PROSPECTS OF QIMANTAG AREA IN QINGHAI PROVINCE[J].Geophysical and Geochemical Exploration,2012(2):163-169. |
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| Authors: | ZHANG Hong-rui XIONG Sheng-qing FAN Zheng-guo TAN Lin ZHU Xiao-ying YANG Xue CAO Bao-bao |
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| Institution: | 1(1.School of Geophysics and Information Technology,China University of Geosciences,Beijing 100083,China;2.China Aero Geophysical Survey & Remote Sensing Center for Land and Resources,Beijing 100083,China) |
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| Abstract: | Using 1∶50 000 high precision aeromagnetic data in combination with metallogenic geological background and structural characteristics,the authors analyzed aeromagnetic anomaly features,divided metallogenic belts of Qimantag area according to the distribution of known ore deposits(ore spots),screened out a group of key ore-prospecting anomalies,established the composite ore-prospecting criteria based mainly on aeromagnetic anomaly information and,on such a basis,delineated quite a few polymetallic prospective segments.The results obtained provide important basis for further deployment of mineral exploration and also offer valuable ore-prospecting clues to surface ore-prospecting work. |
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| Keywords: | aeromagnetic anomaly characteristics metallic ore-forming belt analysis of ore-search prospects Qimantag |
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