枫江溪矿区煤层硅质煤核成因及其环境的探讨

邱明; 童玉明; 姚念民; 李中明

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枫江溪矿区煤层硅质煤核成因及其环境的探讨

邱明, 童玉明, 姚念民, 李中明

文章导航 > 沉积学报 > 1985 > 3(1): 99-110

邱明, 童玉明, 姚念民, 李中明. 枫江溪矿区煤层硅质煤核成因及其环境的探讨[J]. 沉积学报, 1985, 3(1): 99-110.

引用本文:

邱明, 童玉明, 姚念民, 李中明. 枫江溪矿区煤层硅质煤核成因及其环境的探讨[J]. 沉积学报, 1985, 3(1): 99-110.

Qiu Ming, Tong Yuming, Yao Nianming, Li Zhongming. AN APPROACH ON THE GENESIS AND THE ENVIRONMENT OF THE SILICEOUS COAL BALL IN THE COAL SEAM OF FENGJIANGXI COAL FIELD[J]. Acta Sedimentologica Sinica, 1985, 3(1): 99-110.

Citation:

Qiu Ming, Tong Yuming, Yao Nianming, Li Zhongming. AN APPROACH ON THE GENESIS AND THE ENVIRONMENT OF THE SILICEOUS COAL BALL IN THE COAL SEAM OF FENGJIANGXI COAL FIELD[J]. Acta Sedimentologica Sinica, 1985, 3(1): 99-110.

邱明, 童玉明, 姚念民, 李中明. 枫江溪矿区煤层硅质煤核成因及其环境的探讨[J]. 沉积学报, 1985, 3(1): 99-110.

引用本文:

邱明, 童玉明, 姚念民, 李中明. 枫江溪矿区煤层硅质煤核成因及其环境的探讨[J]. 沉积学报, 1985, 3(1): 99-110.

Citation:

枫江溪矿区煤层硅质煤核成因及其环境的探讨

1.
江西煤田地质科研所;
2.
中国科学院长沙大地构造研究所;
3.
湖南省煤田地质勘探公司三队;
4.
北京博物馆

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AN APPROACH ON THE GENESIS AND THE ENVIRONMENT OF THE SILICEOUS COAL BALL IN THE COAL SEAM OF FENGJIANGXI COAL FIELD

1.
Institute of Coal Geology, Jiangxi Province;
2.
Changsha Institute of Geotectonics, Academia Sinica;
3.
The Third Survey of Coal Geological Exploration Corporation,Hunan Province;
4.
Beijing Museum of Nature

摘要

摘要: 近年来,笔者在湖南邵阳枫江溪矿区上二叠统龙潭组上段煤层中发现了大量硅质煤核。它是煤层对比的良好标志,探索成煤环境的重要依据,在煤田地质勘探和煤田开发工作中具有重要意义。

Abstract: There is a great deal of siliceous coal balls containing fossil such as Pteridophy-ta in the coal seam of the Upper Permian Lungtan upper series in Fengjiangxi Coal Field of Shaoyang,Hunan Province. There coal balls with the shape of lens or ellipsoid occur in the upper part of the fourth coal seam. In the section there are several layers, and in the plane they are distributed continuously or discontinuous-ly and distinguished clearly from the wall rocks. Authigenic quartz and calcedony are the main coal balls-making substances, and carbonaceous fragmental phytolite conies second. SiO₂ content of the coal balls is 85.35%, with 11.4% of burning loss. And the coal balls also contain trace elements, such as Zr, B, Ni, Co, Cu etc.. This coal ball was formed in the diagenetic process. It was related to the pouring of SiO₂-rich old river water into the peat bog during the end of the fourth coal seam deposition. In the early period of the diagenetic process, pH of the peat bog decreased, the colloidal solution of SiO₂in association with humus hemigel formed better homogeneous embryonic concretion of colloform.After a series of diagenetic changes, the coal balls were formed. The evolution of its formation has three stages: 1. Gel stage in the early period of the diagenetic process. 2. Coal ball-making stage in the middle period of the diagenetic process. 3. Stage of coal ball change in its form, nature and quality in the late period of the diagenetic process. This kind of coal ball was formed in the platform stage,and underwent the formation of all the structures in Diwa (geodepression). The siliceous coal ball is a fine symbol of the coal seam correlation and an im -portant basis for discussing the environment of the incoalation.lt assumes both practical and theoretical significance in the geological exploration of coal field and the development of coal mine.

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参考文献(1)

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(1)刘宝带，l980，沉积岩石学，P, 229-234，地质出版社。

(2)何起祥，1978,沉积岩和沉积矿床，P. 185-194，地质出版社。

(3)田宝霖，1980，中国矿业学院学报，第2期P. 1-l0

(4)南京大学地质系，1979，地球化学(修订本)，P, 357-358科学出版社。

(5)杨起、韩德馨，1979，中国煤田地质学(上册)P17-19，煤炭工业出版社。

(6)童玉明、周祖勋，1980，地质评论，第26卷第6期，P. 529-532，地质出版社。

(7) F. J佩蒂庄P. E.波特，R.西弗1977,砂和砂岩(中译本)P. 321-324，科学出版社。

(8) F. J佩蒂庄，1981,沉积岩P. 507-509，石油工业出版社。

(9)戴东林，1965,沉积岩石学P. 190-191，中国工业出版社。

(10)苏联科学地质研究所，苏联地质保矿部全苏地质研究所，1963，沉积岩研究法P. 103-107，中国工业出版社。

(11) Kerr P. F. 19六，Optical mineralogy (fourth edition) p153.

(12)Сидоренков, А.И.Высоцкий, В. Н. 1677,Конкреционный анализ-метод тектонических реконструкцй 《Совегская геологоия》NO.8 С.21-31.

(13)Иванов, Г.А.Иванов, Н.В.1975,Методы формационного анализа усных толш, Москва《Недра》С.74-87.

(14)Иванов, Г.А. 1967. угленосные Формациы С.36.

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枫江溪矿区煤层硅质煤核成因及其环境的探讨

1. 江西煤田地质科研所;

2. 中国科学院长沙大地构造研究所;

3. 湖南省煤田地质勘探公司三队;

4. 北京博物馆

收稿日期: 1983-05-17
刊出日期: 1985-03-10

摘要: 近年来,笔者在湖南邵阳枫江溪矿区上二叠统龙潭组上段煤层中发现了大量硅质煤核。它是煤层对比的良好标志,探索成煤环境的重要依据,在煤田地质勘探和煤田开发工作中具有重要意义。

English Abstract

AN APPROACH ON THE GENESIS AND THE ENVIRONMENT OF THE SILICEOUS COAL BALL IN THE COAL SEAM OF FENGJIANGXI COAL FIELD

1. Institute of Coal Geology, Jiangxi Province;

2. Changsha Institute of Geotectonics, Academia Sinica;

3. The Third Survey of Coal Geological Exploration Corporation,Hunan Province;

4. Beijing Museum of Nature

Received Date: 1983-05-17
Publish Date: 1985-03-10

Abstract: There is a great deal of siliceous coal balls containing fossil such as Pteridophy-ta in the coal seam of the Upper Permian Lungtan upper series in Fengjiangxi Coal Field of Shaoyang,Hunan Province. There coal balls with the shape of lens or ellipsoid occur in the upper part of the fourth coal seam. In the section there are several layers, and in the plane they are distributed continuously or discontinuous-ly and distinguished clearly from the wall rocks. Authigenic quartz and calcedony are the main coal balls-making substances, and carbonaceous fragmental phytolite conies second. SiO₂ content of the coal balls is 85.35%, with 11.4% of burning loss. And the coal balls also contain trace elements, such as Zr, B, Ni, Co, Cu etc.. This coal ball was formed in the diagenetic process. It was related to the pouring of SiO₂-rich old river water into the peat bog during the end of the fourth coal seam deposition. In the early period of the diagenetic process, pH of the peat bog decreased, the colloidal solution of SiO₂in association with humus hemigel formed better homogeneous embryonic concretion of colloform.After a series of diagenetic changes, the coal balls were formed. The evolution of its formation has three stages: 1. Gel stage in the early period of the diagenetic process. 2. Coal ball-making stage in the middle period of the diagenetic process. 3. Stage of coal ball change in its form, nature and quality in the late period of the diagenetic process. This kind of coal ball was formed in the platform stage,and underwent the formation of all the structures in Diwa (geodepression). The siliceous coal ball is a fine symbol of the coal seam correlation and an im -portant basis for discussing the environment of the incoalation.lt assumes both practical and theoretical significance in the geological exploration of coal field and the development of coal mine.

邱明, 童玉明, 姚念民, 李中明. 枫江溪矿区煤层硅质煤核成因及其环境的探讨[J]. 沉积学报, 1985, 3(1): 99-110.

引用本文:

邱明, 童玉明, 姚念民, 李中明. 枫江溪矿区煤层硅质煤核成因及其环境的探讨[J]. 沉积学报, 1985, 3(1): 99-110.