Mineralogical and geochemical characteristics of the Nkoteng-Mbandjock alluvial clays from Sanaga valley deposits (Cameroon, Central Africa): Implications for source weathering and provenance.

Elisé Sababa, Natanael Tehna, Beyanu Anehumbu Aye, Morine-Majolie Manfotang Chiozem, Armel Zacharie Ekoa Bessa, Ehbeudeu Kanewene, Njilah Isaac Konfor

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Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Elisé SababaDepartment of Earth Sciences, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.

Natanael TehnaDepartment of Earth Sciences, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.

Beyanu Anehumbu AyeDepartment of Mining and Mineral Engineering, National Higher Polytechnic Institute (NAHPI), The University of Bamenda, P.O. Box 39, Bambili, Cameroon.

Morine-Majolie Manfotang ChiozemDepartment of Earth Sciences, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.

Armel Zacharie Ekoa BessaDepartment of Earth Sciences and Environment, Higher Teacher Training College, University of Bertoua, P.O. Box 652, Bertoua, Cameroon.

Ehbeudeu KaneweneDepartment of Earth Sciences, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.

Njilah Isaac KonforDepartment of Earth Sciences, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.

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6 · The paper itself

Abstract

This research investigates the physico-chemical, mineralogical and geochemical attributes of alluvial clayey sediments in the Nkoteng-Mbandjock regions of the Sanaga valley, Cameroon. The primary objective is to elucidate the source area-weathering and provenance of these sediments. Grain size distribution analyses were conducted using the Robinson-Kӧln's pipetting method. The physico-chemical parameters were evaluated by an HACH-HQ11d brand electric pH meter, while the mineralogical compositions were determined by X-ray Diffraction. Major and trace element concentrations were measured employing X-ray Fluorescence and Inductively Coupled Plasmas-Mass Spectrometry. Textural classification identified the Sanaga valley alluvial clay deposits as predominantly silty clayey and clayey muddy. Geochemical classification diagram positioned them in the shale and Fe-shale fields. Weathering indices of alteration exhibited a consistent trend indicating a high degree of weathering in the source rock. A low Na

Indexed as

Felsic sourceImmature sedimentOxic environmentSanaga valleyShaleSource area-weathering

Identifiers

PMID38560138

DOI10.1016/j.heliyon.2024.e28395

PMCPMC10979109

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