Characteristics of dispersed organic matter in the Menilite Beds from the Skole Unit

Ziemianin, Konrad

doi:10.18668/ng.2018.09.02

Cited by 6 publications

(8 citation statements)

References 16 publications

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“…There fore, POM was di vided into two types: POM1 and POM2. POM1 matu rity level changes from the im ma ture to the oil win dow phase and it rep re sents in situ OM in the Carpathian rocks (e.g., Kotarba et al, 2007;Ziemianin, 2017Ziemianin, , 2018. Hy dro gen-rich POM2 oc curs as or ganic mat ter with ex tremely high ma tu rity and/or weath er ing in the old est Carpathian strata.…”

Section: Organic-matter Sourcesmentioning

confidence: 98%

“…Apart from geo chem i cal stud ies aimed at rec og niz ing strata with hy dro car bon po ten tial in the Carpathians and their vi cin ity, the petrographic char ac ter iza tion of the OM and its sed i mentary en vi ron ment has been stud ied. The OM in the Outer Carpathian de pos its con tains also re de pos ited CC from silt-to boul der size, thin vitrain lay ers or lenses and dis persed OM repre sent ing allochthonous ter res trial, and autochthonous ma rine sources (e.g., Turnau, 1970;Kotlarczyk, 1979;Wag ner, 1992Wag ner, , 1996Uziyuk and Shaynoga, 2016;Ziemianin, 2017Ziemianin, , 2018Górecka-Nowak et al, 2019;Wójcik-Tabol et al, 2019;Waliczek et al, 2019). The re de pos ited CC be long ing to the Lower and Mid dle Penn syl va nian were sup plied to the Outer Carpathian ba sin from cor dil leras and from the area bor der ing the ba sin to the north (Turnau, 1970;Wójcik-Tabol et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…coal clasts (CC) as eroded humic coal frag ments older than the Outer Carpathian sed i ments. Such di vi sion of or ganic mat ter was im posed by the sig nif icant dif fer ences in ther mal ma tu rity of dif fer ent types of or ganic mat ter rep re sent authigenic and allogenic sources of OM in the Carpathian rocks (e.g., Wag ner, 1996;Zieliñska, 2010;B¹k et al, 2015;Ziemianin, 2017Ziemianin, , 2018.…”

Section: Introductionmentioning

confidence: 99%

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Comparative petrography and organic geochemistry of different types of organic matter occurring in the Outer Carpathians rocks

Zielińska

Fabiańska

Więcław

et al. 2020

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The char ac ter iza tion of or ganic mat ter (OM) in sed i men tary rocks is im por tant in many types of bi o log i cal, geo log i cal and envi ron men tal re search. The in te grated use of mi cros copy and geo chem is try, as here, is par tic u larly use ful in any at tempt to de fine the or i gin and evo lu tion of OM in sed i men tary bas ins. The or ganic pe trog ra phy and geo chem is try dif fer ent types of allogenic and authigenic OM from the Pol ish Outer Carpathian (POC) rocks were stud ied in pres ent study to com pare their ge netic type, ther mal ma tu rity, depositional en vi ron ment and post-sed i men ta tion pro cesses. Spe cial at ten tion was paid to re de pos ited coal clasts oc cur rences. The used tech niques show dif fer ences in or ganic mat ter type orig i nat ing from var i ous sources. The or ganic pe trog ra phy anal y sis shows that re de pos ited coal clasts (CC) and terrigenous or ganic mat ter (TOM) are com posed pre dom i nantly of woody ma te rial (the gas-prone Type-III kerogen). Sim i lar re sults were ob tained dur ing the Rock-Eval py rol y sis. More over, the GC-MS anal y sis of ex tracts in di cated the ad di tional source of OM, namely plank tonic organic mat ter (POM) with oil-prone kerogen Type-I or II. This OM is in some cases high ther mally ma ture and could po ten tially has allochthonous or i gin. The n-alkane, sat u rated and ar o matic biomarker data re vealed de po si tion of this POM in anoxic deltaic or close-shore sed i men tary en vi ron ments whereas the re de pos ited coal clasts were prob a bly orig i nally de pos ited in coal swamps as were the Up per Silesian bi tu mi nous coals.

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Section: Organic-matter Sourcesmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparative petrography and organic geochemistry of different types of organic matter occurring in the Outer Carpathians rocks

Zielińska

Fabiańska

Więcław

et al. 2020

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“…This paper is focused on microscopic characterization of organic matter, while the results of geochemical analyzes (Roc-Eval pyrolysis) are used here only to make it more complete. The aim of this paper is to present the maceral composition of Menilite Beds within the Dukla Unit, while organic matter composition of Menilite Beds within Skole and Silesian units were a subject of previous papers (Ziemianin, 2017(Ziemianin, , 2018.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of dispersed organic matter of the Menilite Beds from the Dukla Unit based on microscopic analysis and Rock-Eval pyrolysis

Ziemianin¹,

Badawczy²

2019

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Organic matter from Menilite Beds of the Dukla Unit was studied (optical microscopy, Rock-Eval pyrolysis). In its composition, macerals from vitrinite, liptinite and inertinite groups are observed. Macerals of the liptinite group are dominating (alginite, bituminite and liptodetrinite). Among all invested lithological types, mudstones have the highest average content of these macerals, while in case of marly shales, sandstones/siltstones, micrite limestones and chert the content of individual liptinite macerals is always lower than 1 vol%. The vitrinite group is represented mainly by collotelinite and vitrodetrinite and its average content in all analyzed lithologies does not exceed 1 vol%. Fragments of collotelinite show significant diversity in terms of the reflectance. Macerals of the inertinite group (fusinite, semifusinite, inertodetrinite) are usually limited to single occurrences within the entire investigated sample area. In 41 out of 43 samples, the collotelinite fragments were numerous enough that it was possible to measure the reflectance. For samples in which reflectance of vitrinite fragments was measured, this parameter ranges from 0.25% to 0.56%. Rock-Eval pyrolysis results provided additional information, of which the most important were values of TOC (from 0.47% to 6.04%, average 2.61%), T max (417-449°C), hydrogen (95-502) and oxygen (<133) indices. In the western part of the investigated area, within the tectonic window of Świątkowa, Menilite Beds are in the phase of oil window, while in other locations organic matter is immature. Analyzed samples contain types II, II/III or III of kerogen. Type II dominates in clay shales and mudstones, while type III is most often observed in marly and carbonate shales and also in sandstones/siltstones.

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“…Niestety, zagadnienia petrografii materii organicznej warstw menilitowych nierzadko s¹ zupe³nie pomijane, wyraŸnie marginalizowane albo te¿ ograniczane jedynie do analiz refleksyjnooeci witrynitu. Publikacje, w których s¹ prezentowane choaeby szcz¹tkowe wyniki analiz mikroskopowych, nale¿¹ do rzadkooeci (Koltun, 1992;Kruge i in., 1996;Kotulova, 2004;Semyrka, 2009;Kosakowski i in., 2009;Zieliñska, 2012;Kotarba i in., 2013, Waliczek i in., 2017Wendorff i in., 2017;Ziemianin, 2017;Kosakowski i in., 2018;Ziemianin, 2018).…”

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Charakterystyka petrograficzna rozproszonej materii organicznej z warstw menilitowych

Ziemianin¹

2019

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Dukla units was investigated using optical microscopy and Rock-Eval pyrolysis. In the composition of organic matter fragments, macerals of vitrinite, liptinite and inertinite groups are present. Macerals of the liptinite group dominate (alginite, bituminite and liptodetrinite) whereas macerals of vitrinite (collotelinite, vitrodetrinite) and inertinite (fusinite, semifusinite, inertodetrinite) groups are less common. In most outcrops examined the organic matter is immature as evidenced by vitrinite reflectance R o <0.5% and T max <435°C. Only the areas of Fore-Dukla zone and the OEwi¹tkowa tectonic window have a higher degree of organic matter transformation (oil window phase). Types II and III of kerogen are most common in the samples investigated.

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Characteristics of dispersed organic matter in the Menilite Beds from the Skole Unit

Cited by 6 publications

References 16 publications

Comparative petrography and organic geochemistry of different types of organic matter occurring in the Outer Carpathians rocks

Comparative petrography and organic geochemistry of different types of organic matter occurring in the Outer Carpathians rocks

Characteristics of dispersed organic matter of the Menilite Beds from the Dukla Unit based on microscopic analysis and Rock-Eval pyrolysis

Charakterystyka petrograficzna rozproszonej materii organicznej z warstw menilitowych

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