The Amount of Organic Matter, Kerogen Type, and Source Rock Potential of Bituminous Shales (Beydili, Nallıhan/Turkey)
Derya Koca, Ahmet Sarı
Abstract
Derya Koca, Ahmet Sarı
Abstract
Potential source rocks west of the central Anatolia basin, in Beydili/Nallıhan (Turkey) include Paleocene-Eocene oil shale. Organic geochemical analyses show that the organic components in oil shale are of mainly algal-amorphous organic matter, indicating that they are marine (mainly type I–II kerogen). The organic carbon content of Beydili rocks ranges from 1.35 to 11.12 wt%, Göksarlık Tepe rocks 1.06 to 13.8 wt%, and Kepeztepe rocks 1.55 to 11.31 wt% They have source rock quality for oil generation. The Paleocene-Eocene oil shale is in the early stage of oil generation. The redox conditions of depositional environment in three different areas have a transition period from oxic to anoxic.
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Potential source rocks west of the central Anatolia basin, in Beydili/Nallıhan (Turkey) include Paleocene-Eocene oil shale. Organic geochemical analyses show that the organic components in oil shale are of mainly algal-amorphous organic matter, indicating that they are marine (mainly type I–II kerogen). The organic carbon content of Beydili rocks ranges from 1.35 to 11.12 wt%, Göksarlık Tepe rocks 1.06 to 13.8 wt%, and Kepeztepe rocks 1.55 to 11.31 wt% They have source rock quality for oil generation. The Paleocene-Eocene oil shale is in the early stage of oil generation. The redox conditions of depositional environment in three different areas have a transition period from oxic to anoxic.
Key concepts: Kerogen, Oil shale, Source rock, Organic matter, Sedimentary depositional environment, Anoxic waters, Total organic carbon, Geology