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 76
... Evans . Accordingly , a review and regrouping has been necessitated and the same is discussed in the paper . Existing status of Barail Evans gave to " Barail " status of Series and consi- dered part of Barail Range north of Silchar as ...
... Evans . Accordingly , a review and regrouping has been necessitated and the same is discussed in the paper . Existing status of Barail Evans gave to " Barail " status of Series and consi- dered part of Barail Range north of Silchar as ...
Page 80
... Evans but as no physical continuity with the Barail of the type area ( Barail Range ) was established that time , the name Naogaon Sandstone was retained by Evans for the lower part of the Barail in Upper Assam . ( This Naogaon Sand ...
... Evans but as no physical continuity with the Barail of the type area ( Barail Range ) was established that time , the name Naogaon Sandstone was retained by Evans for the lower part of the Barail in Upper Assam . ( This Naogaon Sand ...
Page 81
... Evans consi- dered Baragolai and Tikak parbat to be Barails and clubbed the nearby arenaceous assemblage , designated earlier as Naogaon Sandstone , with the Baragolai and Tikak parbat to form together the Barails of Upper Assam . Evans ...
... Evans consi- dered Baragolai and Tikak parbat to be Barails and clubbed the nearby arenaceous assemblage , designated earlier as Naogaon Sandstone , with the Baragolai and Tikak parbat to form together the Barails of Upper Assam . Evans ...
Contents
A NOTE ON THE EVOLUTION OF THE MINERAL | 17 |
Pant | 24 |
A R Nambiar | 43 |
Copyright | |
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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