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has been cited by the following article:

• TITLE: Preliminary Study of Chemical Elements Distribution in Petroleum Source Rocks Donga and Yogou Formations of the Termit Sedimentary Basin (Est-Niger)

  AUTHORS: Alassane Ibrahim Maman Bachir, Abdoulaye Dan Makaou Oumarou, Baraou Idi Souley, Kouakou Alponse Yaou, Abdoulwahid Sani

  KEYWORDS: Distribution, Major Elements, Source Rocks, Donga Formation, Yogou Formation, Termit Basin

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.12 No.1, January 31, 2024

  ABSTRACT: XRF and EDX analyses were carried out on 18 batches of representative raw samples to determine the distribution of major chemical elements in the petroleum source rocks of Donga and Yogou formations of Termit sedimentary basin. The chemical composition of these formations is dominated by silicon (Si), aluminum (Al) and iron (Fe). This is consistent with the oxide composition, which is also dominated by silicon oxide (SiO2), aluminum oxide (Al2O3) and iron monoxide (FeO). No less important chemical elements are calcium (Ca), potassium (K), sulfur (S), titanium (Ti), magnesium (Mg), manganese (Mn) and barium (Ba), as well as some of their oxides. All these major chemical elements are carried by silicate detrital minerals associated with pyrite and goethite and/or clay minerals such as kaolinite and interstratified illite, smectite and chlorite. This trend is illustrated by the values of the Si/Al and SiO2/Al2O3 ratios.