Elements of Indian Stratigraphy |
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Page 116
... coalfield of West Bengal , where it attains a thickness of 3,000 feet and contains ten coal seams . It consists of standstones , shales and coal seams . The sandstones are finer - grained . The gradual decrease in the size of the grains ...
... coalfield of West Bengal , where it attains a thickness of 3,000 feet and contains ten coal seams . It consists of standstones , shales and coal seams . The sandstones are finer - grained . The gradual decrease in the size of the grains ...
Page 184
... coal seams in the lower part . Pale grey in colour , the limestone is thin bedded and cherty varying in thickness from 300 to 500 feet . It is of Ranikot age . The limestone is succeeded by a series of pyritous , coaly and ferruginous ...
... coal seams in the lower part . Pale grey in colour , the limestone is thin bedded and cherty varying in thickness from 300 to 500 feet . It is of Ranikot age . The limestone is succeeded by a series of pyritous , coaly and ferruginous ...
Page 194
S. K. Borooah. The Borgolai stage contains the coal seams of Borgo- lai colliery and the Tikak Parbat stage contains the coal seams worked at Nazira , Makum , Namdang - Ledo and Tikak . The Naharkatya oilfield is in the Barails and the ...
S. K. Borooah. The Borgolai stage contains the coal seams of Borgo- lai colliery and the Tikak Parbat stage contains the coal seams worked at Nazira , Makum , Namdang - Ledo and Tikak . The Naharkatya oilfield is in the Barails and the ...
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