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 70
... river originating in Tibet as Tsangpo enters Arunachal Pradesh and flows for a distance of about 880 km in India before reaching Bangladesh . The river , known as Dihang in Arunachal Pradesh debouches in plains at Pasighat . Near Sadiya ...
... river originating in Tibet as Tsangpo enters Arunachal Pradesh and flows for a distance of about 880 km in India before reaching Bangladesh . The river , known as Dihang in Arunachal Pradesh debouches in plains at Pasighat . Near Sadiya ...
Page 71
... river system is demarcated by its distinctly darker tone , low drainage density and landuse pattern . North of the Brahmaputra river , the older flood plain zone is well identified between piedmont zone in the north and present flood ...
... river system is demarcated by its distinctly darker tone , low drainage density and landuse pattern . North of the Brahmaputra river , the older flood plain zone is well identified between piedmont zone in the north and present flood ...
Page 86
... river is the largest tributary of the Brahmaputra river on its southern bank in Assam . From its origin in the Barail ranges of Nagaland in the southeast , upto the point of confluence at Kalang , a spill channel of the Brahmaputra ...
... river is the largest tributary of the Brahmaputra river on its southern bank in Assam . From its origin in the Barail ranges of Nagaland in the southeast , upto the point of confluence at Kalang , a spill channel of the Brahmaputra ...
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