| 桂西—滇东南地区数字地形特征与次生富集锰矿空间分布关系研究 |
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| 引用本文： | 毛先成. 桂西—滇东南地区数字地形特征与次生富集锰矿空间分布关系研究[J]. 地质与勘探, 2009, 45(3): 292-298 |
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| 作者姓名： | 毛先成 |
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| 作者单位： | 1. 中南大学地学与环境工程学院,长沙,410083
2. 中国冶金地质总局,北京,100025 |
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| 基金项目： | 国家“十一五”科技支撑计划重大项目课题(编号:2006BAB01A12);;国家973计划前期研究专项课题(编号:2007CB416608)联合资助 |
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| 摘 要： | 文章利用AreGIS软件、数字地形分析和GIS空间分析技术,研究了桂西-滇东南地区DEM模型、数字地形特征及锰矿床矿点空间分布,揭示地形地貌特征与锰矿分布的空间关系.文章基于DEM对桂西-滇东南地区的地形因子进行提取和分析,并与锰矿床矿点的空间分布进行对比分析,推断出该地区有利于锰矿床产出分布的数字地形特征.分析结果表明,该地区锰矿分布于坡度小、起伏度小、切割微弱地带,这些地带有利于锰矿物的次生氧化富集.
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| 关 键 词： | DEM 数字地形特征 次生富集 空间分析 锰矿床 |
| 收稿时间： | 2008-06-26 |
| 修稿时间： | 2009-04-01 |
Research on Relationship between Digital Terrain Characteristics and Spatial Distribution of SecondaryEnrichment Manganese Ore in Western Guangxi and South-eastern Yunan,SW China |
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| MAO Xian-cheng. Research on Relationship between Digital Terrain Characteristics and Spatial Distribution of SecondaryEnrichment Manganese Ore in Western Guangxi and South-eastern Yunan,SW China[J]. Geology and Prospecting, 2009, 45(3): 292-298 |
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| Authors: | MAO Xian-cheng |
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| Affiliation: | 1.School of Geosciences and Environmental Engineering;Central South University;Changsha 410083;2.China Metallurgical Geology Bureau;Beijing 100025 |
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| Abstract: | By ArcGIS software,digital terrain analysis and GIS spatial analysis technology,the DEM model,the digital terrain characteristics and the spatial distributions of the manganese ore deposits or occurrences are investigated,which reveals the spatial relationship of topographic features and manganese ore distribution.Based on DEM data of the western Guangxi and south-eastern Yunan in SW China,the terrain factors of the region are analyzed and extracted.By comparing and analyzing the terrain with the manganese ... |
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| Keywords: | DEM digital terrain characteristics secondary enrichment spatial analysis manganese ore deposit |
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