Petrofacies and Diagenesis of Bayana Basin Conglomerates (Delhi Supergroup), Bharatpur District, Rajasthan
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The conglomerate lithofacies and petrofacies were studied with a view to understand the tectonic setting of the provenance and the basin. The conglomerate matrix consist of framework detrital grains such as several varieties of quartz followed by rock fragments, mica, feldspar, and heavy minerals. The Qt-F-L, Qm-F-Lt, Qp-Lv-Ls and Qm-P-K diagrams suggest continental block, recycled orogen provenance, rifted continental margin type of basin setting and overall maturity and stability of the continental block provenance. The cement phases in conglomerate matrix consist of iron oxide, silica, carbonate and barite. Dominance of floating, point and long contacts indicates that the sand grains did not suffer much pressure solution.
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