Manganiferous clays of Dharwar Craton, southern peninsular India: Insights on Archean weathering and ore formation processes

Vast clay deposits of Chitradurga and Sandur greenstone belts of the Dharwar Craton, southern peninsular India, hosting pockets of high‐grade manganese (Mn) ore, provide remarkable clues related to the ore‐forming processes and palaeo‐environmental conditions. In this study these Fe–Mn‐rich clays we...

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Veröffentlicht in:	Geological journal (Chichester, England) England), 2023-12, Vol.58 (12), p.4498-4518
Hauptverfasser:	Harshitha, Gangula, Manikyamba, Chakravadhanula, Sridhar, B., Satyanarayanan, M., Sarma, D. Srinivasa
Format:	Artikel
Sprache:	eng
Schlagworte:	Anomalies Anoxia Anoxic conditions Anoxic sediments Aqueous solutions Birnessite Clay Clay minerals Cratons Dharwar Craton Diagenesis Environmental conditions geochemistry Goethite greenstone belts Haematite Hematite Illite Illites Ilmenite Iron Kaolinite kaolinitization Manganese manganiferous clays Microorganisms Mineralogy Muscovite Oxidation Passive margins Polymerization Proliferation Sediments Templates Tropical climate Weathering
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