| 热带雨林景观区土壤测量的应用效果 |
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| 引用本文： | 贾润幸,方维萱. 热带雨林景观区土壤测量的应用效果[J]. 物探与化探, 2011, 35(4): 443-447 |
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| 作者姓名： | 贾润幸 方维萱 |
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| 作者单位： | 1. 中国科学院地球化学研究所矿床地球化学重点研究实验室,贵州贵阳550002;北京矿产地质研究院,北京 100012;中色金地资源科技有限公司,北京 100012
2. 中国科学院地球化学研究所矿床地球化学重点研究实验室,贵州贵阳 550002;北京矿产地质研究院,北京 100012 |
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| 摘 要： | 老挝中部、北部热带雨林地区的大地构造位置大致处于北西向长山岩浆—构造带和北东向琅布拉邦岩浆—构造带的交汇部位。该区域地表土壤测量分析表明,Cu与Pb、Zn、Ag、Sn、Mo、Sb、Hg、As、Cd、Co、B i总体呈共消长关系,为最佳元素组合。本区Cu、Pb、Zn等主要成矿元素沿花岗岩与灰岩接触带分布,Cu、Pb、Zn相关性不大并具有明显的分带性,Cu分布于接触带靠近花岗岩一侧,Pb、Zn分布于接触带靠近灰岩一侧,共伴生组分Mo、Sn、B i、Ag、Cd等异常明显。本区的元素组合可划分为5类:①Cu与Ag;②Pb与B i;③Zn与Cd;④Sn与Mo;⑤Sb与Hg、As。从元素分布特征看,本区具有矽卡岩的成矿特征,同时又可能有斑岩成矿的潜力。
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| 关 键 词： | 热带雨林景观区 土壤测量 老挝 |
THE APPLICATION EFFECT OF SOIL SURVEY IN RAINFOREST AREA OF LAOS |
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| JIA Run-xing,FANG Wei-xuan. THE APPLICATION EFFECT OF SOIL SURVEY IN RAINFOREST AREA OF LAOS[J]. Geophysical and Geochemical Exploration, 2011, 35(4): 443-447 |
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| Authors: | JIA Run-xing FANG Wei-xuan |
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| Affiliation: | JIA Run-xing1,2,3,FANG Wei-xuan1,2(1.Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550002,China,2.Beijing Institute of Geology for Mineral Resources,Beijing 100012,3.Beijing Donia Resources Co.Ltd.,China) |
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| Abstract: | The work area is located in the north-central part of Laos which is covered by rainforest and close to the intersection between Truong Son North-West trend magma-tectonic belt and North-East trend Louangphabang magma-tectonic belt.The result of soil survey shows that Cu and Pb,Zn,Ag,Sn,Mo,Sb,Hg,As,Cd,Co,Bi together represent a major element association for ore deposits characterized generally by similar growth and decline trends.The metallogenic elements of Cu,Pb and Zn are mainly distributed in the contact... |
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| Keywords: | rainforest landscape area soil survey Laos |
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