| 珠三角沿海地区土壤硒的来源和富集成因初探 |
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| 引用本文： | 邱啸飞.珠三角沿海地区土壤硒的来源和富集成因初探[J].华南地质与矿产,2019,35(4):441-448. |
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| 作者姓名： | 邱啸飞 |
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| 作者单位： | 中国地质调查局花岗岩成岩成矿地质研究中心武汉430205;中南地质科技创新中心,武汉430205;中国地质大学(武汉)地质调查研究院,武汉430074 |
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| 基金项目： | 中国地质调查局地质调查项目"广州多要素城市地质调查";"国家地质大数据汇聚与管理 (中国地质调查局武汉地质调查中心) "(DD20190385);中国地质调查局百名青年地质英才培养计划联合资助 |
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| 摘 要： | 本文总结了珠三角沿海地区土壤硒含量的分布特征及其与成土母质的关系,探讨了该区域土壤中硒的来源及富集影响因素,提出珠三角地区土壤富硒是亚热带季风性气候湿热条件下花岗岩类强烈化学风化和富集改造的结果,土壤富硒作用的实质是杂质元素从成土母质中大量活化并分离移出,从而使硒元素发生相对富集的过程。本文对珠三角沿海地区土壤硒富集规律的总结显示该地区硒资源具有巨大潜力,具有广阔的开发富硒资源前景。
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| 关 键 词： | 珠江三角洲 硒 分布 来源 |
Preliminary Study on the Source and Origin of Selenium-rich Soils in the Coastal Area of the Pearl River Delta |
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| QIU Xiao-Fei.Preliminary Study on the Source and Origin of Selenium-rich Soils in the Coastal Area of the Pearl River Delta[J].Geology and Mineral Resources of South China,2019,35(4):441-448. |
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| Authors: | QIU Xiao-Fei |
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| Institution: | (Research Center for Petrogenesis and Mineralization of Granitoid Rocks,Wuhan 430205,Hubei,China;Central South China Innovation Center for Geosciences,Wuhan 430205,Hubei,China;Institute of Geological Survey,China University of Geosciences,Wuhan 430074,Hubei,China) |
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| Abstract: | In this study, distribution of selenium in the soils from the Pearl River Delta and their relationship with the parent materials are reviewed. By discussing the source of selenium in soils and impact factors of selenium enrichment, we propose that the selenium-rich soils in the Pearl River Delta are the products of intense chemical weathering of granitoids under subtropical mansoon. The essence of selenium enrichment in soil is that impurity elements are activated and removed from the parent material, which results in relative enrichment of selenium. Our studies for the regularities of selenium enrichment in soils of the Pearl River Delta suggest that this area might have great prospecting potential for development of selenium-rich resources. |
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| Keywords: | Pearl River Delta Selenium Distribution Source |
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