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河北省八道河航磁低背景场区铁矿地面磁测勘查实例 被引量:20
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作者 董杰 李卫东 +2 位作者 肖金平 张亚东 刘晓敏 《物探与化探》 CAS CSCD 北大核心 2010年第5期557-563,共7页
通过在河北省青龙县八道河航磁异常低缓负值背景区进行的铁矿勘查工作,对寻找沉积变质型铁矿勘查选区有了新的思路和认识。在具有良好成矿地质环境的区域,即使航磁异常的显示微弱,通过实地踏勘,也可以布置大比例尺地面磁测工作,从而发... 通过在河北省青龙县八道河航磁异常低缓负值背景区进行的铁矿勘查工作,对寻找沉积变质型铁矿勘查选区有了新的思路和认识。在具有良好成矿地质环境的区域,即使航磁异常的显示微弱,通过实地踏勘,也可以布置大比例尺地面磁测工作,从而发现规模可观的工业矿床。总结这些成功的做法及经验,对今后开展以找铁矿为主的地勘工作必将起到很好的启示和借鉴作用。 展开更多
关键词 地面磁测勘查 低背景 沉积变质型铁矿 河北省
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Magnetic Signature of the Kusi Mineral Prospect, Papua New Guinea
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作者 Nathan Taovasi Mosusu 《Journal of Earth Science and Engineering》 2012年第4期209-219,共11页
A ground magnetic survey was conducted on the Kusi mineral prospect, Papua New Guinea, to provide insights into the magnetic properties of the mineralisation and help define drill targets for an exploration programme.... A ground magnetic survey was conducted on the Kusi mineral prospect, Papua New Guinea, to provide insights into the magnetic properties of the mineralisation and help define drill targets for an exploration programme. The results of the survey suggest three distinct magnetic zones: (1) a magnetic high zone covering the northern portion of the survey area; (2) a northeast-southwest trending magnetic low zone occupying the southern portion and (3) a possible buried intrusive body separating the magnetic high from the low magnetic zone. The results of the survey suggest that drilling is concentrated on the zone of low magnetic response, and the periphery of the interpreted intrusion is adjacent to the contact to the limestone defining the mineralisation style of the two zones. A further ground magnetic survey is required to determine the western limits of the low magnetic zone. 展开更多
关键词 Ground magnetism MINERALIZATION PORPHYRY hydrotherm.
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