SUBMICROSCOPIC ( less than 1 mu m) MINERAL CONTENTS OF VITRINITES IN SELECTED BITUMINOUS COAL BEDS.
By: J.A. Minkin, E. C. T. Chao, C.L. Thompson, M.-V. Wandless, F.T. Dulong, R.R. Larson, and S.G. Neuzil
Edited by: Gooley Ron
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Abstract
An important aspect of the petrographic description of coal is the characterization of coal quality, including chemical attributes. For geologic investigations, data on the concentrations, distribution, and modes of occurrence of minor and trace elements provide a basis for reconstructing the probable geochemical environment of the swamp material that was converted into peat, and the geochemical conditions that prevailed during and subsequent to coalification. We have been using electron (EPMA) and proton (PIXE) microprobe analytical methods to obtain data on the chemical characteristics of specific coal constituents in their original associations within coal samples. The present study is aimed at evaluation of the nature of mineral occurrences and heterogeneous elemental concentrations within vitrinites. Vitrinites are usually the most abundant, and therefore most important, maceral group in bituminous coal. 8 refs.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | SUBMICROSCOPIC ( less than 1 mu m) MINERAL CONTENTS OF VITRINITES IN SELECTED BITUMINOUS COAL BEDS. |
| Year Published | 1983 |
| Language | English |
| Larger Work Title | Proceedings, Annual Conference - Microbeam Analysis Society |
| First page | 27 |
| Last page | 30 |
| Conference Title | Microbeam Analysis 1983, Proceedings of the 18th Annual Conference of the Microbeam Analysis Society. |
| Conference Location | Phoenix, AZ, USA |
| Google Analytic Metrics | Metrics page |