鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

汪小妹

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鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

汪小妹

文章导航 > 沉积学报 > 2011 > 29(3): 520-528

汪小妹. 鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征[J]. 沉积学报, 2011, 29(3): 520-528.

引用本文:

汪小妹. 鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征[J]. 沉积学报, 2011, 29(3): 520-528.

WANG Xiaomei. Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin[J]. Acta Sedimentologica Sinica, 2011, 29(3): 520-528.

Citation:

WANG Xiaomei. Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin[J]. Acta Sedimentologica Sinica, 2011, 29(3): 520-528.

汪小妹. 鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征[J]. 沉积学报, 2011, 29(3): 520-528.

引用本文:

汪小妹. 鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征[J]. 沉积学报, 2011, 29(3): 520-528.

WANG Xiaomei. Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin[J]. Acta Sedimentologica Sinica, 2011, 29(3): 520-528.

Citation:

WANG Xiaomei. Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin[J]. Acta Sedimentologica Sinica, 2011, 29(3): 520-528.

鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

汪小妹

中国地质大学武汉 430074

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通讯作者:
汪小妹

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Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin

WANG Xiaomei

China University of Geosciences,Wuhan 430074

More Information

Corresponding author: WANG Xiaomei

摘要

摘要: 对鄂尔多斯盆地东胜—神木地区侏罗系直罗组和延安组的9个煤样进行了工业分析和元素分析以及煤灰常量元素测试分析，探讨了成煤环境条件对煤样性质的影响，并揭示了不同聚煤体系煤灰中常量元素的特征及其控制因素。分析测试结果显示，直罗组和延安组不同聚煤体系中煤的灰分产率、矿物含量和有机C含量呈现明显的变化趋势，从延安组Ⅱ、Ⅲ、Ⅳ单元→延安组Ⅴ单元→直罗组，煤矿物含量和灰分产率增加、有机C含量降低。此外，直罗组和延安组不同聚煤体系煤灰样的常量元素特征也具有明显的差异性和一定的变化规律，如：从延安组Ⅱ、Ⅲ、Ⅳ单元→延安组Ⅴ单元→直罗组，煤灰样中SiO2含量增加；延安组煤灰样K2O含量明显低于直罗组煤灰样K2O含量；此外，延安组Ⅱ、Ⅲ、Ⅳ单元煤灰样中TFe2O3含量远高于延安组Ⅴ单元和直罗组。综合研究认为，延安组Ⅱ、Ⅲ、Ⅳ单元、延安组Ⅴ单元和直罗组煤层煤的灰分产率、矿物含量和有机C含量的差异主要受控于成煤环境条件。成煤过程中所处的沼泽环境受河流所携带的碎屑物质影响的程度，影响着煤的矿物含量、灰分产率和有机C含量等特征。而延安组Ⅱ、Ⅲ、Ⅳ单元、延安组Ⅴ单元和直罗组不同聚煤体系的煤灰常量元素特征及其差异性，则主要受成煤环境条件（陆源碎屑矿物的量）、环境气候条件和有机质的量等因素的控制。
- 煤 /
- 常量元素 /
- 侏罗系 /
- 鄂尔多斯盆地
Abstract: Nine coal samples of Jurassic Zhiluo and Yan'an Formation, collected from DongshengShenmu area of Ordos Basin, have been analysed for their proximates, ultimates and major elements. In order to discuss the influence of coalforming environmental conditions on coal properties, and study the characteristics and its control factors of major elements in coal ash of different coal accumulating systems. Ash production, mineral and organic carbon content of coal samples from different coal accumulating systems of Zhiluo and Yan'an Formation show obvious change trend. From coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation→coal seamⅤof Yan’an Formation→Zhiluo Formation, mineral content and ash production increase, organic carbon content decreases. In addition, major element contents of coal ash also have clear diversities and certain variation rules. For example, from coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation →coal seamⅤof Yan’an Formation → Zhiluo Formation, SiO2 contents of coal ash samples increase; K2O contents in coal ash samples from Yan’an Formation are apparently less than those from Zhiluo Formation; besides, TFe2O3 contents of coal ash samples from coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation are far more than those from coal seamⅤof Yan’an Formation and Zhiluo Formation. Based on synthetic analysis, the authors hold that the diversities of ash production, mineral content and organic carbon content of coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation, coal seamⅤof Yan’an Formation and Zhiluo Formation, are mainly controlled by coalforming environmental conditions. The degree of influence on coal by detrital material during coal forming process affects mineral content, ash production and organic carbon content of coals. However, the characteristics and diversities of coal ash major elements of different coal accumulating systems of coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation, coal seamⅤof Yan’an Formation and Zhiluo Formation are mainly controlled by the factors of coalforming environmental condition (the content of terrigenous clasts), climatic environmental condition and organic matter content.
- coal /
- major elements /
- Jurassic /
- Ordos Basin

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[1]	彭金宁. 羌塘盆地中新生代隆升剥蚀与上三叠统-侏罗系烃源层埋藏史分析 . 沉积学报, 2024, (): -. doi: 10.14027/j.issn.1000-0550.2024.009
[2]	雷开宇, 刘池洋, 张龙, 吴柏林, 寸小妮, 孙莉. 鄂尔多斯盆地北部侏罗系泥岩地球化学特征:物源与古沉积环境恢复 . 沉积学报, 2017, 35(3): 621-636. doi: 10.14027/j.cnki.cjxb.2017.03.019
[3]	郑有伟, 王亚东, 郭建明, 刘兴旺, 赵光亮, 苏龙, 郑建京. 准噶尔盆地东南缘侏罗系重矿物演化特征及对博格达山隆升的响应 . 沉积学报, 2016, 34(6): 1147-1154. doi: 10.14027/j.cnki.cjxb.2016.06.012
[4]	梅西, 张训华, 李日辉, 蓝先洪. 南黄海北部晚更新世以来常量元素记录的化学风化作用 . 沉积学报, 2014, 32(5): 846-854.
[5]	. 准噶尔盆地腹部及西南缘侏罗系烃源岩分子地球化学特征及形成环境剖析 . 沉积学报, 2013, 31(04): 738-746.
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[7]	赵俊峰. 鄂尔多斯盆地侏罗系直罗组砂岩发育特征 . 沉积学报, 2007, 25(4): 535-544.
[8]	鲍志东, 刘凌, 张冬玲, 李儒峰, 管守锐, 康永尚, 王英名, 齐雪峰, 赵秀岐. 准噶尔盆地侏罗系沉积体系纲要 . 沉积学报, 2005, 23(2): 194-202.
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鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

汪小妹

中国地质大学武汉 430074

通讯作者: 汪小妹

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2011-06-10

关键词:

煤 /

常量元素 /

侏罗系 /

鄂尔多斯盆地

摘要: 对鄂尔多斯盆地东胜—神木地区侏罗系直罗组和延安组的9个煤样进行了工业分析和元素分析以及煤灰常量元素测试分析，探讨了成煤环境条件对煤样性质的影响，并揭示了不同聚煤体系煤灰中常量元素的特征及其控制因素。分析测试结果显示，直罗组和延安组不同聚煤体系中煤的灰分产率、矿物含量和有机C含量呈现明显的变化趋势，从延安组Ⅱ、Ⅲ、Ⅳ单元→延安组Ⅴ单元→直罗组，煤矿物含量和灰分产率增加、有机C含量降低。此外，直罗组和延安组不同聚煤体系煤灰样的常量元素特征也具有明显的差异性和一定的变化规律，如：从延安组Ⅱ、Ⅲ、Ⅳ单元→延安组Ⅴ单元→直罗组，煤灰样中SiO2含量增加；延安组煤灰样K2O含量明显低于直罗组煤灰样K2O含量；此外，延安组Ⅱ、Ⅲ、Ⅳ单元煤灰样中TFe2O3含量远高于延安组Ⅴ单元和直罗组。综合研究认为，延安组Ⅱ、Ⅲ、Ⅳ单元、延安组Ⅴ单元和直罗组煤层煤的灰分产率、矿物含量和有机C含量的差异主要受控于成煤环境条件。成煤过程中所处的沼泽环境受河流所携带的碎屑物质影响的程度，影响着煤的矿物含量、灰分产率和有机C含量等特征。而延安组Ⅱ、Ⅲ、Ⅳ单元、延安组Ⅴ单元和直罗组不同聚煤体系的煤灰常量元素特征及其差异性，则主要受成煤环境条件（陆源碎屑矿物的量）、环境气候条件和有机质的量等因素的控制。

English Abstract

Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin

WANG Xiaomei

China University of Geosciences,Wuhan 430074

Corresponding author: WANG Xiaomei

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-06-10

Keywords:

Abstract: Nine coal samples of Jurassic Zhiluo and Yan'an Formation, collected from DongshengShenmu area of Ordos Basin, have been analysed for their proximates, ultimates and major elements. In order to discuss the influence of coalforming environmental conditions on coal properties, and study the characteristics and its control factors of major elements in coal ash of different coal accumulating systems. Ash production, mineral and organic carbon content of coal samples from different coal accumulating systems of Zhiluo and Yan'an Formation show obvious change trend. From coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation→coal seamⅤof Yan’an Formation→Zhiluo Formation, mineral content and ash production increase, organic carbon content decreases. In addition, major element contents of coal ash also have clear diversities and certain variation rules. For example, from coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation →coal seamⅤof Yan’an Formation → Zhiluo Formation, SiO2 contents of coal ash samples increase; K2O contents in coal ash samples from Yan’an Formation are apparently less than those from Zhiluo Formation; besides, TFe2O3 contents of coal ash samples from coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation are far more than those from coal seamⅤof Yan’an Formation and Zhiluo Formation. Based on synthetic analysis, the authors hold that the diversities of ash production, mineral content and organic carbon content of coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation, coal seamⅤof Yan’an Formation and Zhiluo Formation, are mainly controlled by coalforming environmental conditions. The degree of influence on coal by detrital material during coal forming process affects mineral content, ash production and organic carbon content of coals. However, the characteristics and diversities of coal ash major elements of different coal accumulating systems of coal seamⅡ, Ⅲ, Ⅳof Yan’an Formation, coal seamⅤof Yan’an Formation and Zhiluo Formation are mainly controlled by the factors of coalforming environmental condition (the content of terrigenous clasts), climatic environmental condition and organic matter content.

汪小妹. 鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征[J]. 沉积学报, 2011, 29(3): 520-528.

引用本文:

汪小妹. 鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征[J]. 沉积学报, 2011, 29(3): 520-528.

WANG Xiaomei. Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin[J]. Acta Sedimentologica Sinica, 2011, 29(3): 520-528.

Citation:

WANG Xiaomei. Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin[J]. Acta Sedimentologica Sinica, 2011, 29(3): 520-528.

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鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

通讯作者:
汪小妹

计量

Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin

Corresponding author: WANG Xiaomei

计量

目录

鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

中国地质大学武汉 430074

通讯作者: 汪小妹

English Abstract

Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin

China University of Geosciences,Wuhan 430074

Corresponding author: WANG Xiaomei

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鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

通讯作者: 汪小妹

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Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin

Corresponding author: WANG Xiaomei

计量

出版历程

目录

鄂尔多斯盆地东胜—神木地区侏罗系煤中常量元素地球化学特征

中国地质大学 武汉 430074

通讯作者: 汪小妹

English Abstract

Major Element Geochemistry of Jurassic Coal in DongshengShenmu Area, Ordos Basin

China University of Geosciences,Wuhan 430074

Corresponding author: WANG Xiaomei

全文HTML

目录

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期刊在线

联系我们

通讯作者:
汪小妹

中国地质大学武汉 430074