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dc.creatorBechtel, Achim
dc.creatorOberauer, Klaus
dc.creatorKostić, Aleksandar Ž.
dc.creatorGratzer, Reinhard
dc.creatorMilisavljević, Vladimir
dc.creatorAleksić, Nikoleta
dc.creatorStojanović, Ksenija A.
dc.creatorGross, Doris
dc.creatorSachsenhofer, Reinhard F.
dc.date.accessioned2018-11-22T00:45:43Z
dc.date.available2018-11-22T00:45:43Z
dc.date.issued2018
dc.identifier.issn0146-6380
dc.identifier.urihttps://cherry.chem.bg.ac.rs/handle/123456789/2573
dc.description.abstractThe most prolific oil shale deposit in Serbia is located in the Aleksinac Basin and is assigned to the Lower Miocene. Depositional environments and hydrocarbon potential were assessed for the Aleksinac oil shale and coal layers through bulk geochemical, organic petrographical, biomarker, and carbon isotope data from core samples from a single well. Maturity parameters (vitrinite reflectance, T-max, biomarker isomerisation ratios) prove that the organic matter (OM) is immature. A lower lacustrine oil shale sequence is comprised of alternating sandstone and clay-rich rocks and some thin coal beds, indicating strong variations in depositional environment. This stratum is covered with thick sandstone (50 m) terminated by the main 4 m thick coal seam that was deposited in a low-lying mire, as evidenced by high total sulfur and mineral matrix contents. The plant input was dominated by angiosperms. A relative rise in water level led to the drowning of the swamp and to the deposition of a 60 m thick upper oil shale in a lacustrine environment. The OM of the oil shale is dominated by kerogen Type I (lamalginite). Biomarker data suggest a stratified water column that likely formed due to differences in salinity. The stratified water column led to a strictly anoxic environment and photic zone euxinia in a mesosalinar, hydrologically closed lake, which enabled the accumulation of uncommonly high amounts of organic material (average TOC: 18.0 wt%) with excellent preservation (average HI: 743 mg HC/g TOC). (c) 2017 Elsevier Ltd. All rights reserved.en
dc.publisherPergamon-Elsevier Science Ltd, Oxford
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/176006/RS//
dc.rightsrestrictedAccess
dc.sourceOrganic Geochemistry
dc.subjectAleksinac Basinen
dc.subjectBiomarkersen
dc.subjectHydrocarbonsen
dc.subjectMaceral compositionen
dc.subjectOil shaleen
dc.subjectOrganic matter maturityen
dc.subjectStable isotopesen
dc.titleDepositional environment and hydrocarbon source potential of the Lower Miocene oil shale deposit in the Aleksinac Basin (Serbia)en
dc.typearticle
dc.rights.licenseARR
dcterms.abstractСтојановић, Ксенија; Aлексиц, Николета; Гросс, Дорис; Гратзер, Реинхард; Оберауер, Клаус; Бецхтел, Aцхим; Костиц, Aлександар; Сацхсенхофер, Реинхард Ф.; Милисављевиц, Владимир;
dc.citation.volume115
dc.citation.spage93
dc.citation.epage112
dc.identifier.wos000418885600009
dc.identifier.doi10.1016/j.orggeochem.2017.10.009
dc.citation.other115: 93-112
dc.citation.rankM22
dc.description.otherPeer-reviewed manuscript: [http://cherry.chem.bg.ac.rs/handle/123456789/3031]
dc.type.versionpublishedVersionen
dc.identifier.scopus2-s2.0-85034580680


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