PROVENANCE, TECTONIC SETTING AND PALEOCLIMATE OF UPPER BHANDER SANDSTONE IN PARTS OF RAISEN DISTRICT MADHYA PRADESH (INDIA)
The Upper Bhander Sandstone (Late Neoproterozoic) of Raisen district of Madhya Pradesh, central India has been analyzed to understand provenance, tectonic setting and paleoclimate of the Vindhyan basin. Upper Bhander Sandstone is the uppermost unit of Vindhyan Supergroup. Qt-F-L and Qm-F-Lt triangular diagrams of twenty representative samples of Bhander sandstones of study area were examined. The result shows that majority of the sands were mainly derived from continental block (cratonic) with small amount of sediments was contributed by recycled orogen with uplifted basement. The bivarient log-log plot of ratio of polycrystalline quartz to feldspar plus rock fragments (Qp/F+R) against the ratio of total quartz to feldspar plus rock fragments (Qt/F+R) suggests that the paleoclimate at the time of deposition of Upper Bhander Sandstone was humid.
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