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 18
... present work and is described in greater detail below : - Unit B - - Various types of interbedded schists constitute the lithological components of Unit B. These are chlorite schist , biotite schist , garnet schist , staurolite schist ...
... present work and is described in greater detail below : - Unit B - - Various types of interbedded schists constitute the lithological components of Unit B. These are chlorite schist , biotite schist , garnet schist , staurolite schist ...
Page 70
... Present Flood Plain : The composite present flood plain of the Brahmaputra river and its tributaries has been demarcated by fluvial geomorphic features such as cut off meanders , le- vees , ' bil ' ( back swamps ) and related elements ...
... Present Flood Plain : The composite present flood plain of the Brahmaputra river and its tributaries has been demarcated by fluvial geomorphic features such as cut off meanders , le- vees , ' bil ' ( back swamps ) and related elements ...
Page 71
... present flood plain in the south . South of the Brahmaputra also , the older flood plain is easily recognizable . Piedmont Zone : A distinct piedmont zone formed as a result of coalescing of colluvial and alluvial fans . made by the ...
... present flood plain in the south . South of the Brahmaputra also , the older flood plain is easily recognizable . Piedmont Zone : A distinct piedmont zone formed as a result of coalescing of colluvial and alluvial fans . made by the ...
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