Pyrolysis gas chromatography-mass spectrometry to characterize organic matter and its relationship to uranium content of Appalachian Devonian black shales
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Abstract
Gas Chromatographic analysis of volatile products formed by stepwise pyrolysis of black shales can be used to characterize the kerogen by relating it to separated, identified precursors such as land-derived vitrinite and marine-source Tasmanites. Analysis of a Tasmanites sample shows exclusively n-alkane and -alkene pyrolysis products, whereas a vitrinite sample shows a predominance of one- and two-ring substituted aromatics. For core samples from northern Tennessee and for a suite of outcrop samples from eastern Kentucky, the organic matter type and the U content (<10−120ppm) show variations that are related to precursor organic materials. The samples that show a high vitrinite component in their pyrolysis products are also those samples with high contents of U.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Pyrolysis gas chromatography-mass spectrometry to characterize organic matter and its relationship to uranium content of Appalachian Devonian black shales |
| Series title | Geochimica et Cosmochimica Acta |
| DOI | 10.1016/0016-7037(81)90116-2 |
| Volume | 45 |
| Issue | 6 |
| Year Published | 1981 |
| Language | English |
| Publisher | Elsevier |
| Description | 7 p. |
| First page | 883 |
| Last page | 889 |
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