| 甘肃白银铜厂沟地球化学异常特征及找矿预测 |
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| 引用本文： | 闫家伟,陈守余,花卫华,et al.甘肃白银铜厂沟地球化学异常特征及找矿预测[J].地质学刊,2018,42(3):459-465. |
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| 作者姓名： | 闫家伟 陈守余 花卫华 |
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| 作者单位： | 中国地质大学(武汉)信息工程学院;中国地质大学(武汉)数学地质遥感地质研究所 |
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| 基金项目： | 中国地质调查局地质大调查项目“深部矿产三维可视化预测评价软件系统研发”（2017YFC0601501）、“一体化系统模块的开发与完善”（IGGEW2018035） |
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| 摘 要： | 为实现甘肃白银矿田找矿新突破,在矿田东侧铜厂沟地区开展了找矿预测工作。区内已发现铜厂沟和小铁山等矿床,在收集总结前人成果资料的基础上,通过对研究区地质概况、地球化学异常特征、控矿因素的研究,获得区域找矿标志,在区内发现多处异常,且多数异常的产出位置在已知矿床附近,表明构造原生晕地球化学找矿在铜厂沟地区具有较好的效果。以地球化学异常特征为主,结合地质找矿标志对研究区进行找矿预测,圈定和评价了小铁山—铜厂沟靶区及铜沟脑靶区,可望实现找矿突破。
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| 关 键 词： | 地球化学异常 找矿标志 找矿预测 甘肃白银铜厂沟 |
Geochemical anomaly and prospecting prediction of Tongchanggou area in Baiyin City, Gansu Province |
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| Yan Jiawei,Chen Shouyu,Hua Weihu,et al.Geochemical anomaly and prospecting prediction of Tongchanggou area in Baiyin City, Gansu Province[J].Jiangsu Geology,2018,42(3):459-465. |
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| Authors: | Yan Jiawei Chen Shouyu Hua Weihu |
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| Abstract: | In order to achieve a new breakthrough in the prospecting of the Baiyin ore field, prospecting was carried out in the Tongchanggou area of its east side. Copper deposits such as Tongchanggou and Xiaotieshan have been discovered in the area. By reviewing previous studies, the regional geological conditions, geochemical anomalies and ore-controlling factors, this paper obtained prospecting indicators and discovered several anomaly occurrences, most of which are located near known deposits. The result shows that geochemical prospecting by primary halo is effective in mineral exploration in the Tongchanggou area. Based on the geochemical anomaly characteristics and the geological prospecting marks, this paper delineated and evaluated the target areas of Xiaotieshan-Tongchanggou and Tonggounao area with great potentials for prospecting breakthrough. |
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| Keywords: | geochemical anomaly prospecting mark prospecting prediction Tongchanggou area Baiyin city Gansu Province |
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