| 澜沧老厂矿床线-环结构模式拟建及成矿预测 |
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| 引用本文： | 王瑞雪,高建国,杨世瑜.澜沧老厂矿床线-环结构模式拟建及成矿预测[J].国土资源遥感,2007,18(3):51-55. |
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| 作者姓名： | 王瑞雪 高建国 杨世瑜 |
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| 作者单位： | 昆明理工大学国土资源工程学院,昆明,650093 |
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| 基金项目： | 云南省省院省校合作项目 |
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| 摘 要： | 根据矿床遥感地质理论，解译分析老厂矿床线、环构造及蚀变信息，并结合地质、物化探信息，拟建老厂矿床线-环结构模
式。在区域性北西向线性构造带遥感地质背景下，南北轴向南老环和东西轴向透镜体系列叠加形成老厂环-环横叠式结构，二者分
别反映华力西期火山洼地和燕山-喜山期隐伏中酸性岩体，其叠加地段是有利成矿部位。影像上受北北西向线性构造控制的色调异
常斑块显示了近矿围岩蚀变的范围，并据此模式进行成矿预测。
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| 关 键 词： | 线性构造 环形构造 矿床线-环结构模式 老厂矿床 |
| 文章编号： | 1001-070X（2007）03-0051-05 |
| 收稿时间： | 2006-11-07 |
| 修稿时间： | 2006-11-072007-05-15 |
A LINEAR-RING STRUCTURE MODEL FOR ORE DEPOSIT
LOCATION IN THE LAOCHANG SILVER-LEAD ORE ZONE AND
ITS APPLICATION TO THE PROGNOSIS OF CONCEALED DEPOSITS |
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| WANG Rui-xue,GAO Jian-guo,YANG Shi-yu.A LINEAR-RING STRUCTURE MODEL FOR ORE DEPOSIT
LOCATION IN THE LAOCHANG SILVER-LEAD ORE ZONE AND
ITS APPLICATION TO THE PROGNOSIS OF CONCEALED DEPOSITS[J].Remote Sensing for Land & Resources,2007,18(3):51-55. |
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| Authors: | WANG Rui-xue GAO Jian-guo YANG Shi-yu |
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| Institution: | Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China |
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| Abstract: | Based on an interpretation of linear and ring structures and the extraction of alteration information from TM imagines, in combination with ore deposit geology and geochemical data, the authors formulated a linear - ring structure model for ore deposit location in the Laochang ore zone according to the theory of remote sensing deposit geology. Under the background of the regional NNW - trending tectonic belt, the cross overlapping ringed structure is formed by the superimposition of the NS - trending axial Nanlao ring reflecting the Hercynian volcanic depression and a series of EW - trending axial lenticular structures reflecting the Yanshanian - Himalayan concealed intermedi- ate - acid rock bodies. The anomalous hue zones controlled by NNW - striking lines show the alteration information. The overlapping segments are places favorable for mineralization. |
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| Keywords: | Linear structure Ring structure Ore deposit linear-ring structure model Laochang ore deposit |
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