• ANIL D SHUKLA

      Articles written in Journal of Earth System Science

    • Geochemical signatures of Late Paleocene sandstones from the Sanu Formation, Jaisalmer basin, western India: Implication for provenance, weathering and tectonic setting

      A PATRA ANIL D SHUKLA

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      Sandstones of the Sanu Formation from Jaisalmer basin, western India were studied for major, trace and rare earth element (REE) geochemistry to deduce their paleo-weathering, tectonic setting, source rock characteristics and provenance. Geochemical results suggest that these sandstones can be classified into sub-arkose, which is supported by petrographic observations. The chemical index of alteration (CIA) values indicate intense chemical weathering. The major, trace and rare earth elements concentration pattern reveals that the sediments of the Sanu Formation were derived from silicic rock sources. The elemental discrimination diagrams specifically $\rm{(Gd/Yb)_{N}}$ against $\rm{Eu/Eu}^{\ast}$ suggest the Archean provenance as source possibly Aravallis for the studied samples.

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