Organic matter, its generation potential, and the composition of the artinskian deposits of the north of the Pre-Ural foredeep (Timan-Pechora province)
Автор: Kotik O., Saldin V.
Журнал: Вестник геонаук @vestnik-geo
Рубрика: Научные статьи
Статья в выпуске: 9 (333), 2022 года.
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This article discusses the results of lithological and geochemical studies of the Artinskian deposits and organic matter, which is a part of the petroleum source rocks of the northern part of the Pre-Ural Foredeep of the Timan-Pechora Province. The rocks are very diverse in composition (clastolites, pelitolites, carbonatolites and mixtolites) and structural and textural features. Mixtoliths are widespread in shallow-marine environments (lower molasse deposits), which are associated with mixed terrestrial and marine organic matter. We recorded the predominance of poor and fair petroleum source rocks due to increasing terrigenous component. Mixtoliths of the Kochmes area (HI of 240 mg HC/g TOC) are characterized by the best generation potential. Organic petrography studies indicate the predominance of bituminite (sapropel base) in the composition of organic matter, the terrigenous components dominates in the eastern regions adjacent to the Urals.
Pre-ural foredeep, artinskian deposits, mixtoliths, petroleum source rocks, organic matter, bituminite, generation potential
Короткий адрес: https://sciup.org/149141388
IDR: 149141388 | DOI: 10.19110/geov.2022.9.2
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