Elements of Indian Stratigraphy |
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Page 23
... formed by the influx of alkali fluids . From his extensive studies of the Mysore Charnockites B. Rama Rao has concluded that they were formed in different ways from a variety of pre - existing rocks ; recrystallization of the siliceous ...
... formed by the influx of alkali fluids . From his extensive studies of the Mysore Charnockites B. Rama Rao has concluded that they were formed in different ways from a variety of pre - existing rocks ; recrystallization of the siliceous ...
Page 25
... formation of a granite known as the Peninsular , gneiss . The Peninsular gneiss shows characteristically migmatitic features . At the end of the Peninsular gneisses formation the Charnockites were formed by ptutonic metamorphism of ...
... formation of a granite known as the Peninsular , gneiss . The Peninsular gneiss shows characteristically migmatitic features . At the end of the Peninsular gneisses formation the Charnockites were formed by ptutonic metamorphism of ...
Page 84
... formation is found along the southern base of the range . All the beds have a gentle northerly dip . From the association of rock formations it would appear that these hills formed the margin of the ancient landmass of which India formed ...
... formation is found along the southern base of the range . All the beds have a gentle northerly dip . From the association of rock formations it would appear that these hills formed the margin of the ancient landmass of which India formed ...
Common terms and phrases
Ajabgarh Aravalli Archaean Assam Assilina Baluchistan bands Barail basal basin Belemnites Bhander Boulder Bed Brachiopods calcareous Cambrian carbonaceous Carboniferous Cephalopods Charnockites clays coal seams colour conglomerates consists corals Cretaceous Cuddapah Cuddapah system deposits developed Devonian Dharwar district dolomitic east Eastern Ghats Eocene exposed facies fauna feet thick Fenestella ferruginous Flysch folding foliated formations fossils Gastropods geosyncline gneiss Gondwana granite greenish grey Hazara hills Himalayas igneous India indicating intercalated intrusion Iron-ore series Jurassic Kashmir Kirthar Kumaon Kutch Laki Lamellibranchs layers limestone limestone and shales Lower Cretaceous Madhya Pradesh marine marls metamorphism MICHIGAN LIBRARIES Middle miles Miocene Nummulites oolite Ordovician Orissa orogenic outcrops overlain overlying Panjal Peninsular Permian phyllites plateau Productus purple quartzites Rajasthan Ranikot region rocks Salt Range sandstone Sausar schists sediments shales Silurian Siwalik slates Spirifer Spiti valley stage succession syncline TABLE Tertiary Tethys thin Trias Triassic unconformity unfossiliferous Upper Cretaceous Vindhyan volcanic western zone