IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Geochemistry of environmentally sensitive trace elements in Permian coals from the Huainan coalfield, Anhui, China
Chen, J (Chen, Jian)[1,2]; Liu, GJ (Liu, Guijian)[1,2]; Jiang, MM (Jiang, Mengmeng)[1]; Chou, CL (Chou, Chen-Lin)[3]; Li, H (Li, Hui)[1]; Wu, B (Wu, Bin)[1]; Zheng, LG (Zheng, Liugen)[1]; Jiang, DD (Jiang, Dongdong)[4]
2011-10-30
Source PublicationINTERNATIONAL JOURNAL OF COAL GEOLOGY
Volume88Issue:1Pages:41-54
Subtype期刊论文
Abstract

To study the geochemical characteristics of 11 environmentally sensitive trace elements in the coals of the Permian Period from the Huainan coalfield, Anhui province, China, borehole samples of 336 coals, two partings, and four roof and floor mudstones were collected from mineable coal seams. Major elements and selected trace elements were determined by inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS), and hydride generation atomic absorption spectrometry (HAAS). The depositional environment, abundances, distribution, and modes of occurrence of trace elements were investigated. Results show that clay and carbonate minerals are the principal inorganic constituents in the coals. A lower deltaic plain, where fluvial channel systems developed successively, was the likely depositional environment of the Permian coals in the Huainan coalfield. All major elements have wider variation ranges than those of Chinese coals except for Mg and Fe. The contents of Cr, Co, Ni, and Se are higher than their averages for Chinese coals and world coals. Vertical variations of trace elements in different formations are not significant except for B and Ba. Certain roof and partings are distinctly higher in trace elements than underlying coal bench samples. The modes of occurrence of trace elements vary in different coal seams as a result of different coal-forming environments. Vanadium, Cr, and Th are associated with aluminosilicate minerals, Ba with carbonate minerals, and Cu, Zn, As, Se, and Pb mainly with sulfide minerals.

KeywordTrace elements Distribution Modes of occurrence Depositional environment Huainan coalfield China
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10284
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLiu, GJ (Liu, Guijian)[1,2]
Affiliation1.CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China;
3.Illinois State Geological Survey (emeritus), Champaign, IL 61820, USA;
4.School of Earth and Environment, Anhui University of Science and Technology, Huainan, Anhui 232001, China
Recommended Citation
GB/T 7714
Chen, J ,Liu, GJ ,Jiang, MM ,et al. Geochemistry of environmentally sensitive trace elements in Permian coals from the Huainan coalfield, Anhui, China[J]. INTERNATIONAL JOURNAL OF COAL GEOLOGY,2011,88(1):41-54.
APA Chen, J .,Liu, GJ .,Jiang, MM .,Chou, CL .,Li, H .,...&Jiang, DD .(2011).Geochemistry of environmentally sensitive trace elements in Permian coals from the Huainan coalfield, Anhui, China.INTERNATIONAL JOURNAL OF COAL GEOLOGY,88(1),41-54.
MLA Chen, J ,et al."Geochemistry of environmentally sensitive trace elements in Permian coals from the Huainan coalfield, Anhui, China".INTERNATIONAL JOURNAL OF COAL GEOLOGY 88.1(2011):41-54.
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