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Rare Earth Element Geochemistry of Modern Detrital Sediments from Chaliyar River, Northern Kerala
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∑REE in the detrital sediments from Chaliyar river channel ranges from 37.7 to 65.5 ppm, which is around 0.3 times that of the average crust and NASC, and is lower compared to that of their provenance rocks. The highly fractionated chondrite-normalized REE pattern of the average sediment mimics that of the average provenance rock. but for the presence of a negative europium anomaly that is suggestive of preferential removal of plagioclase during weathering. The similarity in the REE contents of samples from different locations in the main channel reflects the immobility of rare earths in fluvial transportation and tectonic stability of the basin
Keywords
Sedimentology, Geochemistry, Rare Earth Elements, Detrital Sediments, Kerala.
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