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https://hdl.handle.net/11499/7573
Title: | Organic geochemical and isotopic (C and N) characterization of carbonaceous rocks of the Denizli Area, Western Turkey | Authors: | Koralay, Demet Banu | Keywords: | Biomarkers Carbonaceous rock Depositional environment Hayrettin formation Biogeochemistry Biological materials Deposition Organic compounds Peat Biomarker distributions Maturity parameters Organic matter content Suboxic environment Total Organic Carbon Vitrinite reflectance Rocks biomarker carbon isotope depositional environment isotopic composition lignite nitrogen isotope organic carbon organic geochemistry organic matter paleoenvironment peat vitrinite reflectance Denizli [Turkey] Turkey |
Publisher: | Elsevier | Abstract: | The sediments under examination constitute part of the Hayrettin Formation expanding to the northwest of Acigöl (Denizli/Turkey) containing coal. The aims of this study are to assess the organic matter content (Corg, %), type, maturity and established paleoenvironment of deposition based primarily on Rock-Eval pyrolysis data, biomarker distributions and ?13C, ?15N values. The total organic carbon (Corg, %) contents of carbonaceous rocks range from 0.21% to 39.61%, and hydrogen index (HI) values are between 25 and 174mgHC/g rock. The samples studied contain type III organic matter (OM). Tmax values for the Hayrettin carbonaceous rocks range from 400 to 437°C. Vitrinite reflectance values (Ro) are between 0.26% and 0.36%, and these values reveal that the carbonaceous rocks are at peat-lignite coal stage. On the basis of biomarker maturity parameters, these rocks are immature. The high pristane/phytane (Pr/Ph) ratios (0.79-7.85), low C35 homohopane index (0.02-0.07) indicates that carbonaceous rocks were deposited in a suboxic environment. ?13C (range from -26.06‰ to -23.88‰ ) and ?15N (range from 2.63‰ to 3.33‰ ) values, high concentrations of C29 steranes (C29>C28>C27) and C26/C25 tricyclic terpane ratios (1.00 and 1.18) indicate that these carbonaceous rocks formed in a peat-swamp environment. © 2014 Elsevier B.V. | URI: | https://hdl.handle.net/11499/7573 https://doi.org/10.1016/j.petrol.2014.02.020 |
ISSN: | 0920-4105 |
Appears in Collections: | Mühendislik Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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