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中国西南地区76种元素地球化学填图 被引量:16

GEOCHEMICAL MAPPING FOR 76 ELEMENTS IN SOUTHWEST CHINA
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摘要 人类生活的地球是由元素周期表中的所有元素构成的,了解所有元素在地球的分布规律对于人类认识自然以及资源与环境研究,具有十分重要的作用。利用西南地区区域化探扫面的副样,采用1∶50000图幅一个组合成一个分析样的方式,收集水系沉积物样品,研制开发了76种元素分析方案,特别是对一些困难元素进行重点研究,使得所有元素的分析检出限低于地壳丰度值。编制完成76种元素的地球化学图,利用地球化学资料进行资源远景的初步评价,区域成矿的划分等基础性研究工作。 The earth consists of all the elements listed in the Periodic Table of Elements. To understand the distributions and association of all these elements in the earth is very important for people to understand the natural environment and resources. The geochemical maps of Southwest China for 76 elements have been compiled by using the duplicate samples of stream sediments collected for the RGNR. Totaling 2961 composite samples made from 1,400,000 duplicate samples, one composite sample for a sheet of 1∶50,000,...
出处 《物探化探计算技术》 CAS CSCD 2007年第S1期174-179,7+6,共8页 Computing Techniques For Geophysical and Geochemical Exploration
关键词 76种元素 地球化学填图 分析方法 成矿区带 76 elements geochemical mapping analytical method metallogenic belt
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