| 昆明地区碳酸盐岩发育红土载磁矿物的提取与鉴定 |
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| 引用本文： | 兰静,苏怀,董铭,周瑞泉.昆明地区碳酸盐岩发育红土载磁矿物的提取与鉴定[J].土壤,2021,53(1):217-219. |
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| 作者姓名： | 兰静 苏怀 董铭 周瑞泉 |
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| 作者单位： | 云南师范大学旅游与地理科学学院 昆明 650500,云南师范大学旅游与地理科学学院 昆明 650500,云南师范大学旅游与地理科学学院 昆明 650500,云南师范大学旅游与地理科学学院 昆明 650500 |
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| 基金项目： | 中国科学院重点资助项目,中国科学院重大资助项目,中国科学院知识创新项目,中国科学院百人计划项目,中国博士后科学基金,香港、澳门青年学者合作研究基金,海外青年学者合作研究基金,国家自然科学基金项目（面上项目，重点项目，重大项目）,国家重点基础研究发展计划（973计划）,国家科技攻关计划 |
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| 摘 要： | 利用重液分离工艺对昆明地区磁化率最高的碳酸盐岩发育的红土进行载磁矿物的分离提取,并对提取出的样品进行X射线衍射(XRD)鉴定,结果显示碳酸盐岩发育红土的主要载磁矿物为磁赤铁矿(γ-Fe2O3)、赤铁矿(α-Fe2O3)和针铁矿(α-FeOOH),它们占总载磁矿物的半定量比例分别为30％、37％和33％,这些测定结果大体...
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| 关 键 词： | 碳酸盐岩发育红土 X射线衍射(XRD) 重液分离 |
| 收稿时间： | 2019/7/26 0:00:00 |
| 修稿时间： | 2019/8/25 0:00:00 |
Extraction and Identification of Magnetic Carrier Minerals in Red Soil Derived from Carbonate Rock in Kunming |
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| LAN Jing,SU Huai,DONG Ming,ZHOU Ruiquan.Extraction and Identification of Magnetic Carrier Minerals in Red Soil Derived from Carbonate Rock in Kunming[J].Soils,2021,53(1):217-219. |
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| Authors: | LAN Jing SU Huai DONG Ming ZHOU Ruiquan |
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| Institution: | School of Tourism and Geographical Sciences,Yunnan Normal University,Kunming,School of Tourism and Geographical Sciences,Yunnan Normal University,Kunming,School of Tourism and Geographical Sciences, Yunnan Normal University,School of Tourism and Geographical Sciences, Yunnan Normal University |
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| Abstract: | The magnetic carrier minerals were separated by heavy liquid from the red soil in Kunming derived from carbonate rock and with the highest magnetic susceptibility,and then identified by the method of X-ray diffraction(XRD).The results showed that the main magnetic carrier minerals were maghemite(γ-Fe2O3),hematite(α-Fe2O3)and goethite(α-FeOOH)and their semi-quantitative proportions were accounted for 30%,37%and 33%of total magnetic carrier minerals respectively,which were generally in agreement with those inferred by traditional magnetic parameter determination method,but superior to the latter in terms of identification accuracy and semi-quantitative analysis. |
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| Keywords: | Red soil derived from carbonate rock X-ray diffraction (XRD) Heavy liquid separation |
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