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黑龙江大兴安岭地区航磁异常特征及找矿效果
引用本文:史建民,陈行时,丁继双.黑龙江大兴安岭地区航磁异常特征及找矿效果[J].地质与资源,2015,24(3):271-276.
作者姓名:史建民  陈行时  丁继双
作者单位:黑龙江省地质调查研究总院, 黑龙江 哈尔滨 150036
基金项目:中国地质调查局与黑龙江省政府联合实施的部省合作项目(1212011085224);黑龙江省资源补偿费项目(SDK2009-01).
摘    要:利用大兴安岭地区1:5万高精度航磁资料,结合区域地质背景分析了该区航磁异常特征,依据地物化资料、已知矿(床)点的分布及成矿规律筛选出了一批航磁异常.在最新的高精度航磁图上,已知铁矿异常特征明显,经对比研究及综合查证发现了1处磁铁矿点及多处有色金属、贵金属矿点,在此基础上总结查证经验,指出了今后采用航磁数据在区内的找矿方向.

关 键 词:航磁异常  高精度  找矿方向  大兴安岭  
收稿时间:2014-06-04

AEROMAGNETIC ANOMALY CHARACTERISTICS AND PROSPECTINF RFFECT OF DAXINGANLING REGION IN HEILONGJIANG PROVINCE
SHI Jian-min,CHEN Xing-shi,DING Ji-shuang.AEROMAGNETIC ANOMALY CHARACTERISTICS AND PROSPECTINF RFFECT OF DAXINGANLING REGION IN HEILONGJIANG PROVINCE[J].Geology and Resources,2015,24(3):271-276.
Authors:SHI Jian-min  CHEN Xing-shi  DING Ji-shuang
Institution:Heilongjiang Institute of Geological Survey, Harbin 150036, China
Abstract:Using 1:50 000 high-precision aeromagnetic data, in combination with the regional geologic background, the authors analyze the aeromagnetic anomaly features in Daxinganling region. On the basis of geological, geophysical and geochemical data, as well as the distribution of deposits (ore occurrences) and ore-forming regularity, a group of aeromagnetic anomalies are selected. In the latest high-precision aeromagnetic map, the known iron deposits show distinct anomaly characteristics. With comparative study and comprehensive verification, one magnetite spot and several nonferrous metal occurrences are found. Based on the verification, the prospecting direction by aeromagnetic data in this area is pointed out.
Keywords:aeromagnetic anomaly  high-precision  prospecting direction  Daxinganling  
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