10 pages matching Bichom group in this book
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argillaceous assemblage basal basic rocks basin beds belt Bichom group bio-zone biotite Blaini Formation Bomdila boulder Buxa calcareous Cambrian carbonaceous Central Crystallines chert chlorite chlorite-schist clays colour comprises conglomerate Daling Darjeeling deposition diatoms dolomite exposed facies felspar folds foliation fossils Gansser Garhwal Garhwal Group garnetiferous Geol Geological Mapping Geological Survey Glacial gneisses Gondwana grade grained granite greenish grey Hemer Hemer & Nygreen Himalaya intrusive Jutogh Jutogh Formation Kameng Kashmir valley keratophyres Krol lignite limestone lithological Lohit district Lower Karewa Main Central Thrust metamorphism mica-schist microns minerals occur outcrop overlying Palaeozoic pebbles pegmatites phosphorite phyllites Pir Panjal Range plagioclase Plate present quartz quartzite regional river sandstone schist schistose sedimentary sediments shale shearing Shri Siang district siltstone Simla Siwalik slates spilites Spiti stratigraphic structural Subansiri Surv Survey of India syncline tectonic Tenga Tertiary Thanamandi thick Triassic unit Upper Karewa upto zone