Records of the Geological Survey of India, Volume 115, Parts 3-4The Survey, 1987 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 98
... Surma and younger rocks in the core of Kohima synclinorium and their absence in the rest of the ' inner belt ' . While the Surma valley folds represent immature first order topography , the area beyond Kohima synclinorium towards ...
... Surma and younger rocks in the core of Kohima synclinorium and their absence in the rest of the ' inner belt ' . While the Surma valley folds represent immature first order topography , the area beyond Kohima synclinorium towards ...
Page 99
... Surma which has been explained as an intra formational one ( Ranga Rao , A. , 1978 , p . 142 ) . Recent traverses taken by the authors also confirm that the Barail - Surma contact in the northern limb is essentially transitional ...
... Surma which has been explained as an intra formational one ( Ranga Rao , A. , 1978 , p . 142 ) . Recent traverses taken by the authors also confirm that the Barail - Surma contact in the northern limb is essentially transitional ...
Page 100
... Surma in this part . Had it emerged along with the rest of the inner belt and continued to remain a positive area instead , the transgression of Surma embayment in the Schuppen zone would not have been possible . The possibility of ...
... Surma in this part . Had it emerged along with the rest of the inner belt and continued to remain a positive area instead , the transgression of Surma embayment in the Schuppen zone would not have been possible . The possibility of ...
Contents
A NOTE ON THE EVOLUTION OF THE MINERAL | 17 |
Pant | 24 |
A R Nambiar | 43 |
Copyright | |
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Common terms and phrases
aegirine alkaline rocks Arunachal Pradesh assemblage Barail Range bedded biotite borehole Brahmaputra camptonites carbonatite Chalcopyrite charnockite chlorite Coal cordierite deposits Disang dissected hills drainage dyke Evans feldspar feldspathic ijolite flood plain foliation fractured garnet Geol GEOLOGICAL SURVEY gneiss Golagar basin Golagar Nala grains GSI Rec 115 Hills district Himalaya ijolite immiscibility Indravati river inner belt Kohima Kohima synclinorium Kopili Koraput lamprophyres landforms magma magnetite Manipur Meghalaya metamorphic metapelites Mikir hills mineral mineralised zone muscovite Nagaland Nala Naogaon Naogaon Sandstone NE-SW occur Orissa orthoclasite phenocrysts Phyangla Plate point bar polymetallic porphyroblasts Potin Formation pyrite pyrrhotite quartz Ranga River Ranga Valley Rec 115 pts region ridge and valley samples San Nala sandstone schist shale Shillong staurolite Structural Plateau Subansiri district sulphide mineralisation Surma Surv SURVEY OF INDIA synclinorium tectonic Tikak parbat tinguaite trending tributaries type area Umrong reservoir units Upper Assam upto