JIRMAN, Petr, Eva GERŠLOVÁ and Miroslav BUBÍK. Source rock potential, geochemical characteristic and thermal maturity of the Oligocene Menilite Formation within the Loučka outcrop (Silesian Unit, Czech Republic). In XXI International Congress of the Carpathian Balkan Geological Association (CBGA). 2018. ISBN 978-954-90223-7-7.
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Basic information
Original name Source rock potential, geochemical characteristic and thermal maturity of the Oligocene Menilite Formation within the Loučka outcrop (Silesian Unit, Czech Republic)
Authors JIRMAN, Petr (203 Czechia, guarantor, belonging to the institution), Eva GERŠLOVÁ (203 Czechia, belonging to the institution) and Miroslav BUBÍK (203 Czechia).
Edition XXI International Congress of the Carpathian Balkan Geological Association (CBGA), 2018.
Other information
Original language English
Type of outcome Conference abstract
Field of Study 10500 1.5. Earth and related environmental sciences
Country of publisher Czechia
Confidentiality degree is not subject to a state or trade secret
WWW Session programme: All oral & poster presentations CBGA Abstracts
RIV identification code RIV/00216224:14310/18:00103653
Organization unit Faculty of Science
ISBN 978-954-90223-7-7
Keywords in English Menilite Formation; Oligocene; Source rock potential; Kerogen type; Thermal maturity
Tags International impact
Changed by Changed by: Mgr. Petr Jirman, učo 394260. Changed: 11. 10. 2019 16:41.
Abstract
Our study represents the first comprehensive research focused to the source rock potential, kerogen type and thermal maturity of the Menilite Formation in the Silesian Unit of the Czech Republic. • TOC ranges from 0.72 to 13.48 %wt. with the average of 3.81 %wt.. The Chert Member samples show the highest average TOC of 5.13 %wt. among the members. • The free hydrocarbons content ranges from 0.03 to 0.99 mg HC/g rock, while the residual hydrocarbon potential ranges from 0.90 to 71.86 mg HC/g rock with the average of 18.26 mg HC/g rock. • The source rock potential of the studied Menilite Formation succession is mostly classified as “good” according to petroleum potential and even “very good” according to TOC. The Chert Member is predominantly evaluated as “very good” source rock according to both petroleum potential and TOC. • The predominant role of kerogen type II with admixtures of kerogen type I and III has been observed based on both the Rock-Eval data and the relationship of residual hydrocarbon potential (S2) versus TOC. The kerogen type II is dominant in samples of the Subchert, Dynów and Šitbořice members, while kerogen type I is mostly indicated within the Chert Member. • Thermal immaturity of organic matter was indicated by Rock-Eval S1 to S2 peaks ratios and confirmed by Rock-Eval Tmax.
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