| 青海迪恰地区水系沉积物测量地球化学特征及找矿方向 |
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| 引用本文： | 张健, 李孝红, 马志刚, 陈林栋. 青海迪恰地区水系沉积物测量地球化学特征及找矿方向[J]. 华北地质, 2015, (4): 311-316. doi: 10.3969/j.issn.1672-4135.2015.04.011 |
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| 作者姓名： | 张健 李孝红 马志刚 陈林栋 |
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| 作者单位： | 天津华北地质勘查总院,天津,300170; 天津华北地质勘查总院,天津,300170; 天津华北地质勘查总院,天津,300170; 天津华北地质勘查总院,天津,300170 |
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| 基金项目： | 青海省地勘基金新开1/5万矿调项目 |
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| 摘 要： | 对青海迪恰地区1/5万水系沉积物测量结果进行初步分析,发现迪恰区以Au、Ag、Sb元素异常为主,伴有As、Hg、Bi、Cd、Cu、Sn等多元素组合异常,其形态主要受NW和近东西向断裂构造控制.对元素分布特征,相关性分析,因子分析,异常展布特征进行了探讨,认为Au、Ag、Sb为区内具有一定找矿潜力的元素,进而优选出滑日以金找矿远景区,龙特金锑多金属找矿远景区,鲁干隆哇银砷多金属找矿远景区.
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| 关 键 词： | 元素异常 聚类分析 因子分析 地球化学特征 找矿远景区 |
Stream Sediment Geochemical Characteristics and Prospecting in Diqia Area of Qinghai Province |
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| ZHANG Jian, LI Xiao-hong, MA Zhi-gang, CHEN Lin-dong. Stream Sediment Geochemical Characteristics and Prospecting in Diqia Area of Qinghai Province[J]. North China Geology, 2015, (4): 311-316. doi: 10.3969/j.issn.1672-4135.2015.04.011 |
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| Authors: | ZHANG Jian LI Xiao-hong MA Zhi-gang CHEN Lin-dong |
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| Abstract: | Based on 1/50 000 stream sediment survey in the Diqia area of Qinghai Province, we find an anomaly combination of multiple elements dominated by Au、Ag、Sb and accompanied by As、Hg、Bi、Cd、Cu、Sn. It is sug-gested that the anomaly is controlled by a number of NW-EW trending fracture zones. The study included the characteristics of element distribution, cluster analysis, factor analysis and anomaly distribution. The result re-veals that the Diqia area might be a prospective area for Au、Ag、Sb. Three ore prospecting areas are chose:the Huariyi area with Au anomaly, the Longte area with Au-Sb multiple metal anomaly, and the Luganlongwa area with Ag-As multiple metal anomaly. |
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| Keywords: | element anomaly cluster analysis factor analysis geochemical characteristic Dika area |
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