| 地下物探在小西弓金矿区解决的地质问题 |
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| 引用本文： | 张耀明.地下物探在小西弓金矿区解决的地质问题[J].物探与化探,1993,17(6):414-422. |
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| 作者姓名： | 张耀明 |
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| 作者单位： | 中国地质矿产信息研究院 北京100037
(崔霖沛)，中国地质矿产信息研究院 北京100037(吴其斌) |
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| 摘 要： | 地下物探(测井和井中物探,下同)在小西弓金矿区的试验结果表明,它可以解决地面物探所不易解决的某些地质问题。如查明同一孔内不同深度矿层间、相邻孔内矿层间、孔内矿层与地表矿体间的相互关系;寻找井周、井底盲矿并确定其相对钻孔的位置,探测孔内矿层的产状及其在走向上的延伸范围和在倾向上的延深情况,校正钻探工程质量与指导劈样;确定局部地段的地质构造等。
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| 关 键 词： | 地下物探 小西弓金矿 |
| 收稿时间： | 1993-08-19 |
THE APPLICATION OF SUBSURFACE GEOPHYSICALPROSPECTING TO THE SOLUTION OF GEOLOGICALPROBLEMS IN THE XIAOXIGONG GOLD DISTRICT |
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| Institution: | China Academy of Information on Geology and Mineral Resources, Beijing, 100037 |
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| Abstract: | Tests performed in the xiaoxigong gold district show that subsurface geophysicalprospectiong (logging and borehole geophysical prospecting) can be used to solve some geolo-gical problems that surface geophysical prospecting can handly tackle.For example, it proves to beeffective in finding out correlations bwteen ore beds of different depths in the same borehole,between are beds of neighboring boreholes and between borehole ore beds and surface orebodies,looking for blind orebodies around or at the bottom of the borehole and locating them rela-tive to the borehole, detecting the attitude of the ore bed within the borehole and its exten-sion along strike and dip, improving drilling quality and guiding sample-splitting anddetermlning local peological structure. |
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| Keywords: | Subsurface geophysical prospecting Xiaoxigong gold deposit |
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