JIRMAN, Petr, Eva GERŠLOVÁ, Magdalena PUPP and Miroslav BUBÍK. Geochemical characteristics, thermal maturity and source rock potential of the Oligocene Šitbořice Member of the Menilite Formation in the Ždánice Unit (Czech Republic). Geological Quarterly, 2018, vol. 62, No 4, p. 858-872. ISSN 1641-7291. doi:10.7306/gq.1447.
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Basic information
Original name Geochemical characteristics, thermal maturity and source rock potential of the Oligocene Šitbořice Member of the Menilite Formation in the Ždánice Unit (Czech Republic)
Authors JIRMAN, Petr (203 Czechia, guarantor, belonging to the institution), Eva GERŠLOVÁ (203 Czechia, belonging to the institution), Magdalena PUPP (40 Austria) and Miroslav BUBÍK (203 Czechia).
Edition Geological Quarterly, 2018, 1641-7291.
Other information
Original language English
Type of outcome article in a journal
Field of Study 10505 Geology
Country of publisher Czechia
Confidentiality degree is not subject to a state or trade secret
WWW Geological Quarterly website
Impact factor Impact factor: 0.759
RIV identification code RIV/00216224:14310/18:00105315
Organization unit Faculty of Science
Doi http://dx.doi.org/10.7306/gq.1447
UT WoS 000455723100006
Keywords in English Šitbořice Member; Menilite Formation; Outer Flysch Carpathians; source rock potential; thermal maturity; organic petrography
Tags International impact, Reviewed
Changed by Changed by: Mgr. Petr Jirman, učo 394260. Changed: 11. 10. 2019 16:47.
Abstract
Rocks deposited in the Oligocene Paratethys are recognized as one of the most important source rocks in the Flysch Carpathians. The Šitbořice Member (uppermost NP23 to lowermost NP25 zone) represents the upper part of the Menilite Formation in the Outer Flysch Carpathians of the Czech Republic. This paper presents results of bulk geochemical analysis, Rock-Eval pyrolysis and organic petrography. The geochemical evaluation, source rock potential, kerogen type and thermal maturity were studied using borehole cores. Based on the classification of Peters (1986), the evaluated Šitbořice Member is mostly classified as a “very good” source rock according to TOC and variable, mostly “poor” to “good” according to the petroleum potential. However, the average petroleum potential value assigned the member to “good” source rock which is in accordance with the TOC classification if the “live” TOC is used. A comparable distribution between kerogen type II and III has been indicated by HI. Unlike this, the organic petrography observations show the organic matter belongs to the kerogen type II which corresponds to the relationship of residual hydrocarbon potential versus TOC and HI calculated based on “live” organic carbon. Presumed immaturity was confirmed by Rr and Rock-Eval Tmax. Oxygen-restricted conditions or a dysoxic environment have been indicated by the TOC/TS ratio.
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MUNI/M/0081/2013, internal MU codeName: Energetická infrastruktura a její vliv na energetickou bezpečnost
Investor: Masaryk University, Grant Agency of Masaryk University, Interdisciplinary research projects
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Jirmanetal._2018_-_Sitborice__Geological_Quarterly_.pdf Licence Creative Commons  File version Jirman, P. 24. 4. 2019

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