Elements of Indian Stratigraphy |
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Page 66
... volcanic activity starting at the lower Alwar time . ( 2 ) initial compression of the belt and ( 3 ) subsequent lateral growth of the syncline ( 4 ) uplift of the whole region and ( 5 ) intrusion of the Erinpura granite Comparatively ...
... volcanic activity starting at the lower Alwar time . ( 2 ) initial compression of the belt and ( 3 ) subsequent lateral growth of the syncline ( 4 ) uplift of the whole region and ( 5 ) intrusion of the Erinpura granite Comparatively ...
Page 73
... volcanic activity was rife during the earlier half of the period . A ridge of gneiss separated this seaway from the one to the north . North of the broad central gneissic ridge was another shallow sea covering eastern Rajasthan , Delhi ...
... volcanic activity was rife during the earlier half of the period . A ridge of gneiss separated this seaway from the one to the north . North of the broad central gneissic ridge was another shallow sea covering eastern Rajasthan , Delhi ...
Page 127
... volcanic activity suggests that the rocks beneath the geosyncline were being heated up as well as being depres- sed . The lavas and tuffs ejected by the volcanoes were interbedded with the sediments . Volcanic activity started in Middle ...
... volcanic activity suggests that the rocks beneath the geosyncline were being heated up as well as being depres- sed . The lavas and tuffs ejected by the volcanoes were interbedded with the sediments . Volcanic activity started in Middle ...
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