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B K Mohanty K K Bhat and R N Padhi
Channel metamorphosis of Noa Dihing river in parts of upper Assam
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activities amphibolite analysis associated bands basin belt Bengal carried cause changes channel chemical chromite chromitite clay coal compared complex concentration course cover deposits developed district drainage dunes Eastern elements environment environmental FAAS field flood plain fluvial folds forest formation Geological Survey gneiss gold grains granite heavy hill horizons hornblende increase indicate iron Lake land landform located major material maximum measurements ment minerals mining natural ND ND ND observed occur older Opx cumulate oxidation pattern places platinum Pleistocene present problems Quarry quartz Quaternary range Records Volume Region Report represented respect river rocks samples sand sediments shear zone slopes soil solutions stream structures surface Survey of India TABLE terraces thickness tion trend types ultramafic units valley values varies washing zone