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https://hdl.handle.net/11499/47662
Title: | Geochemical properties and heavy metal contents of carbonaceous rocks in the Pliocene siliciclastic rock sequence from southeastern Denizli-Turkey | Authors: | Koralay T. Koralay D.B. |
Keywords: | carbonaceous rocks depositional condition heavy metals paleoclimate provenance weathering Deposition Feldspar Heavy metals Hematite Kaolinite Magnesia Mica Pyrites Trace elements Carbonaceous rock Depositional condition Geochemical properties Heavy metals content Inorganics Organics Paleoclimates Pliocene Provenance Siliciclastic rocks Weathering |
Publisher: | De Gruyter Open Ltd | Abstract: | Pliocene-aged carbonaceous rocks of varying thicknesses, alternating with siliciclastic and carbonate rock units, are located on the northern border of the Çameli-Aclpayam basin (in southwestern Turkey), which is filled with thick Neogene sediments. Organic and inorganic geochemical properties of carbonaceous rocks were examined to evaluate their hydrocarbon production potential and paleo-depositional conditions (provenance, paleoclimate, paleosalinity, paleoredox, weathering, heavy metal contents, etc.). Based on organic geochemical analysis, carbonaceous rocks show good to excellent source rock potential and have gas production potential. Organic substances are mostly of allochthonous origin, and their thermal maturity degree is quite low. Carbonaceous rocks have a high amount of inorganic substance (minerals) composed of quartz, clay + mica minerals (mostly illite and a lesser amount of smectite, chlorite, and kaolinite), feldspar, and opaque minerals (pyrite and ilmenite). Although carbonaceous rocks have similar major oxide and trace element concentrations, they show clear differences in terms of Fe2O3, MgO, and some heavy metals (such as Ni, Cr, Co, V, and Sc). The major oxide, trace element concentrations, various element ratios of carbonaceous rocks bear the characteristics of mafic/ultramafic magmatic rocks formed on the active continental margin. In addition, carbonaceous rocks were precipitated in a brackish water environment under oxic conditions. The sediments, which were rapidly stored without recycling in the deposition environment where hot/humid climatic conditions are effective, did not undergo intense decomposition in the source area. © 2022 the author(s), published by De Gruyter. | URI: | https://doi.org/10.1515/geo-2022-0431 https://hdl.handle.net/11499/47662 |
ISSN: | 2391-5447 |
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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Geochemical properties and heavy metal contents.pdf | 10.75 MB | Adobe PDF | View/Open |
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