Łupki antrakozjowe niecki śródsudeckiej w świetle wskaźników geochemii organicznej : wstępne wyniki analizy bituminów

• Autorzy: Dąbek-Głowacka Jolanta , Wójcik-Tabol Patrycja , Nowak Grzegorz J. , Wendorff-Belon Małgorzata , Marynowski Leszek

Identyfikatory

DOI

10.7306/2023.23

Warianty tytułu

EN

The Anthracosia Shales from the Intra-Sudetic Basin in the light of organic geochemistry proxies : preliminary results of bitumen study

• Języki publikacji: PL

Abstrakty

EN

The lacustrine Anthracosia Shales of the Intra-Sudetic Basin are sediments that have become the subject of interest due to their dark colour, indicating an increased content of dispersed organic matter. The published data concern the characteristics of macerals, vitrinite reflectance, the results of Rock-Eval pyrolysis and the results of palynological tests. The above studies were supplemented with the current analysis of the extracted bitumens. The results of the distribution of n-alkanes in the Anthracosia Shales corresponds with the results of macerals and palynology. The dominance of short-chain homologues indicates the microbial-algal origin of the organic matter. Some contribution of terrestrial organic matter is not excluded. Three lithofacies intervals differing geochemically have been distinguished: I - dark grey calcareous claystones rich in aliphatic compounds of microbial and algal origin; II - grey mudstones with siderites containing a lower amount of aliphatic compounds in favour of polar and aromatic compounds; III -weakly calcareous mudstones and sandstones, poor in terrestrial organic matter. The distribution of n-alkanes, phenanthrene and methylphenanthrenes (CPI, MPI, MPR, PP1) shown that the maturity of the organic substance is within the oil window. This is further supported by the Rock-Eval data and vitrinite reflectance values.

Słowa kluczowe

PL

antrakozjowe niecki; n-alkany; dojrzałość materii organicznej

EN

Anthracosia Shales; n-alkanes; organic matter maturity

• Wydawca: Państwowy Instytut Geologiczny - Państwowy Instytut Badawczy
• Czasopismo: Przegląd Geologiczny
• Rocznik: 2023
• Tom: Vol. 71, nr 5
• Strony: 269--273
• Opis fizyczny: Bibliogr. 25 poz., tab., wykr.

Twórcy

autor

Dąbek-Głowacka Jolanta

• Szkoła Doktorska Nauk Ścisłych, Uniwersytet Jagielloński, ul. Profesora S. Łojasiewicza 11, 30-348 Kraków
• Wydział Geografii i Geologii, Uniwersytet Jagielloński, ul. Gronostajowa 3a, 30-387 Kraków

• https://orcid.org/0000-0002-5158-9092

autor

Wójcik-Tabol Patrycja

• Wydział Geografii i Geologii, Uniwersytet Jagielloński, ul. Gronostajowa 3a, 30-387 Kraków

• https://orcid.org/0000-0001-5655-1619

autor

Nowak Grzegorz J.

• Państwowy Instytut Geologiczny - Państwowy Instytut Badawczy, Oddział Dolnośląski we Wrocławiu, al. Jaworowa 19, 53-122 Wrocław

• https://orcid.org/0000-0003-2228-5361

autor

Wendorff-Belon Małgorzata

• Instytut Nafty i Gazu - Państwowy Instytut Badawczy, ul. Lubicz 25a, 31-503 Kraków

• https://orcid.org/0000-0002-6136-6941

autor

Marynowski Leszek

• Wydział Nauk Przyrodniczych, Uniwersytet Śląski, ul. Będzińska 60, 41-200 Sosnowiec

• https://orcid.org/0000-0002-9044-4398

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Uwagi

88. Zjazd Naukowy Polskiego Towarzystwa Geologicznego: Perspektywy badań geologicznych, hydrogeologicznych i poszukiwań złóż w Małopolsce w 120-lecie teorii płaszczowinowej w Karpatach – Dobczyce, 18–20.05.2023 r.