Geochemical characteristics and families of the Paleozoic oil seepage and solid bitumen in the Southern Guizhou Depression, SW China

Geochemical characteristics and families of the Paleozoic oil seepage and solid bitumen in the Southern Guizhou Depression, SW China

Fifteen oil seepage and solid bitumen samples in the Southern Guizhou Depression were analyzed with GC-MS. Characteristics of molecular markers and carbon isotopes are discussed systemically. The results showed that the oil seepage and solid bitumen samples in the Southern Guizhou Depression could b...

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Bibliographic Details
Published in:Acta geochimica Vol. 34; no. 1; p. 85
Main Authors: Li, Ningxi, Wang, Guangli, Gao, Bo, Li, Xianqing, Shi, Shengbao, Wang, Tieguan
Format: Journal Article
Language:English
Published: Dordrecht Springer Nature B.V 01-03-2015
Subjects:
Aromatic hydrocarbons
Carbon isotopes
Chromatography
Fossil fuels
Geochemistry
Mass spectrometry
Oil seepage
Ordovician
Paleozoic
Permian
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Summary:Fifteen oil seepage and solid bitumen samples in the Southern Guizhou Depression were analyzed with GC-MS. Characteristics of molecular markers and carbon isotopes are discussed systemically. The results showed that the oil seepage and solid bitumen samples in the Southern Guizhou Depression could be divided into two families: Ordovician and Siluric samples, and Permian samples. The two families are different in alkanes distribution, biomarkers, aromatic hydrocarbon composition, and stable carbon isotopes; differences mainly caused by source rock variation.
ISSN:2096-0956
2365-7499
DOI:10.1007/s11631-014-0023-5