Organic geochemical characterization and mineralogic properties of Mengen oil shale (Lutetian), Bolu-Turkey

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dc.contributor.authorSenguler, I.
dc.contributor.authorAyyildiz, T.
dc.contributor.authorOnal, Y.
dc.contributor.authorOnal, M.
dc.date.accessioned2024-08-04T20:30:59Z
dc.date.available2024-08-04T20:30:59Z
dc.date.issued2008
dc.departmentİnönü Üniversitesien_US
dc.description.abstractMengen (Bolu) basin extending northeast-southwest contains Neogene limestone, claystone, marl, lignite, and oil shale sequences. Oil shale deposit has been accumulated in shallow restricted back-platform basins during the Middle Eocene. The Middle Eocene (Lutetian) deposit divides into seven levels L1-7. Level L-6 consists of oil shale (thickness ranging from few mm to 4 meters), marl, claystone and siltstone intercalations. Investigated oil shale strata of an average 50-cm thickness are green or dark brown in color. Oil shale samples contain mainly quartz, calcite, ankerite, chabazite and smectite minerals. FTIR spectra and exothermic maximum and minimum peaks of DTA and TGA weight-loss curves of oil shale samples are compatible with TOC values and mineral composition, respectively. Total organic carbon (TOC) and genetic potential (GP) values of the oil shale samples are between 1.13 and 28.32 wt.% and 176.11 and 281.22 mg HC/g rock, respectively. Hydrogen index (HI) and T-max values range from 497 to 968 mg HC/g rock and 430 to 442 degrees C, respectively. TOC and GP values indicate a good source rock potential of this oil shale, and T-max values show its general immaturity. The samples stand mainly between types I and II of the evaluation path but closer to type I. This type of organic matter can generate oil upon pyrolysis.en_US
dc.identifier.doi10.3176/oi1.2008.3.07
dc.identifier.endpage375en_US
dc.identifier.issn0208-189X
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-53149125359en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage359en_US
dc.identifier.urihttps://doi.org/10.3176/oi1.2008.3.07
dc.identifier.urihttps://hdl.handle.net/11616/94659
dc.identifier.volume25en_US
dc.identifier.wosWOS:000259433400007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherEstonian Acad Publishersen_US
dc.relation.ispartofOil Shaleen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPyrolysisen_US
dc.subjectGoynuken_US
dc.subjectFielden_US
dc.titleOrganic geochemical characterization and mineralogic properties of Mengen oil shale (Lutetian), Bolu-Turkeyen_US
dc.typeArticleen_US

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