Petrographic and geochernical contrasts and environmentally significant trace elements in marine-influenced coal seams, Yanzhou mining area, China

doi:10.1016/j.jseaes.2003.07.003

IEECAS OpenIR > 黄土与第四纪地质国家重点实验室（1985-2004）

	Petrographic and geochernical contrasts and environmentally significant trace elements in marine-influenced coal seams, Yanzhou mining area, China
	Liu, GJ; Yang, PY; Peng, ZC; Chou, CL
	2004-08
发表期刊	JOURNAL OF ASIAN EARTH SCIENCES
卷号	23 期号:4 页码:491-506
文章类型	Article
摘要	The Yanzhou mining area in west Shandong Province, China contains coals of Permian and Carboniferous age. The 31 and 32 seams of the Permian Shanxi Formation and seams 6, 15 - 17 of the Carboniferous Taiyuan Formation were analyzed for coal petrology, mineralogy and geochemical parameters. The parameters indicate that the coal is high volatile bituminous in rank. The coal is characterized by high vitrinite and low to medium inertinite and liptinite contents. These properties may be related to evolution of the coal forming environment from more reducing conditions in a marine influenced lower delta plain environment for the early Taiyuan coals to more oxidizing paleoenvironments in an upper delta plain for the upper Shanxi coal seams. The major mineral phases present in the coal are quartz, kaolinite, pyrite and calcite. Sulfur is one of the hazardous elements in coal. The major forms of sulfur in coal are pyritic, organic and sulfate sulfur. Pyritic and organic sulfur generally account for the bulk of the sulfur in coal. Elemental sulfur also occurs in coal, but only in trace to minor amounts. In this paper, the distribution and concentration of sulfur in the Yanzhou mining district are analyzed, and the forms of sulfur are studied. The sulfur content of the Taiyuan coal seams is considerably higher than that of the Shanxi coals. Organic sulfur content is positively correlated to total and pyritic sulfur. The vertical variation of Cu, Zn, Pb, As, Th, U and sulfur contents in coal seam 3 of the Shanxi Formation in the Xinglongzhuang mine show that all these trace elements, with the exception of Th, are enriched in the top and bottom plies of the seam, and that their concentrations are also relatively high in the dirt bands within the seam. The pyritic sulfur is positively correlated with total sulfur, and both are enriched in the top, bottom and parting plies of the seam. The concentrations of the trace elements are closely related to sulfur and ash contents. Most of the trace elements are correlated with the ash content, and may be associated with the mineral matter in the coal. (C) 2004 Elsevier Ltd. All rights reserved.
关键词	coal geochemistry sulfur in coal environmentally significant trace elements Yanzhou mining area Chinese coal
学科领域	Geology
DOI	10.1016/j.jseaes.2003.07.003
关键词[WOS]	ELECTRON-MICROPROBE ANALYSIS ; NEW-SOUTH-WALES ; GUNNEDAH BASIN ; BITUMINOUS COALS ; VITRINITE REFLECTANCE ; HAZARDOUS ELEMENTS ; FLY-ASH ; COMBUSTION ; AUSTRALIA ; GEOCHEMISTRY
收录类别	SCI ; SCIE
语种	英语
WOS研究方向	Geosciences, Multidisciplinary
WOS记录号	WOS:000222808100005
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：66[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/11919
专题	黄土与第四纪地质国家重点实验室（1985-2004）
推荐引用方式 GB/T 7714	Liu, GJ,Yang, PY,Peng, ZC,et al. Petrographic and geochernical contrasts and environmentally significant trace elements in marine-influenced coal seams, Yanzhou mining area, China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2004,23(4):491-506.
APA	Liu, GJ,Yang, PY,Peng, ZC,&Chou, CL.(2004).Petrographic and geochernical contrasts and environmentally significant trace elements in marine-influenced coal seams, Yanzhou mining area, China.JOURNAL OF ASIAN EARTH SCIENCES,23(4),491-506.
MLA	Liu, GJ,et al."Petrographic and geochernical contrasts and environmentally significant trace elements in marine-influenced coal seams, Yanzhou mining area, China".JOURNAL OF ASIAN EARTH SCIENCES 23.4(2004):491-506.