| 滑脱断层曲率在金矿成矿规律研究中的应用 |
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| 引用本文： | 周继彬,曾佐勋,樊春.滑脱断层曲率在金矿成矿规律研究中的应用[J].地质找矿论丛,2001,16(3):178-181. |
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| 作者姓名： | 周继彬 曾佐勋 樊春 |
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| 作者单位： | 中国地质大学地球科学学院 |
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| 基金项目： | 国土资源部“九五”攻关项目 ( 95 -0 2 -0 0 2 -0 1)，国土资源部深部地质力学开放实验室基金资助 |
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| 摘 要： | 滑脱断层在金矿成矿过程中是一个重要的控矿因素。根据陕甘川邻接区的金矿分布位置与滑脱断层的关系，得出陕甘川邻接区中滑脱断层曲率大于4的密集区是金矿分布的远景位置。探讨了滑脱断层曲率与矿床分布的规律且分析了断层曲率的数学计算方法，并编制了自动追踪断层求曲率的软件，将它应用于陕甘川邻接区金矿预测中并获得成功。
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| 关 键 词： | 滑脱断层 曲率 成矿规律 预测 金矿床 |
| 文章编号： | 1001-1412(2001)03-0178-04 |
| 收稿时间： | 2001/4/13 0:00:00 |
| 修稿时间： | 2001年4月13日 |
THE APPLICATION OF DECOLLEMENT-FRACTURE CURVATURE TO PREDICTION OF PERSPECTIVE DISTRICTS OF GOLD MINERALIZATION |
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| ZHOU Ji-bin,ZENG Zuo-xun and FAN Chun.THE APPLICATION OF DECOLLEMENT-FRACTURE CURVATURE TO PREDICTION OF PERSPECTIVE DISTRICTS OF GOLD MINERALIZATION[J].Contributions to Geology and Mineral Resources Research,2001,16(3):178-181. |
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| Authors: | ZHOU Ji-bin ZENG Zuo-xun and FAN Chun |
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| Institution: | Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China;Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China;Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China |
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| Abstract: | Discussing the effect of decollement fracture on gold mineralization, the authors consider that decollement fracture is a key ore control factor. By analyzing the relationship of decollement tectonics and the gold deposits in the adjoining area of Sichuan,Gansu and Shaanxi Pronvinces with the software MAPGIS, it can be induced that iso-intensity area of points with their curvature of decollements fracture greater than 4 is the perspective area for the distribution of gold deposits in the study area. The relationship of the deposits and fracture cuvature is preliminarily discussed and the math method of the fracture is analysed. More, the program for tracing fracture curvature is written in VB6 and is successful in the prediction of gold deposits. |
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| Keywords: | decollement fracture curvature gold deposit prediction adjoining area of Sichuan Gansu and Shaanxi provinces |
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