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 79
... major part of Nagaland , on account excessive facies variation , different litho units identified in individual sections can be given status of Members only . Impersistence of the individual litho units on regional scale makes it ...
... major part of Nagaland , on account excessive facies variation , different litho units identified in individual sections can be given status of Members only . Impersistence of the individual litho units on regional scale makes it ...
Page 81
... major part of Manipur and Nagaland . Further , since the sandstone at Mokokchung and Wokha were designated by earlier workers as Naogaon Sandstone , it may be presumed that Mallet's Naogaon Sandstone was accepted to continue upto these ...
... major part of Manipur and Nagaland . Further , since the sandstone at Mokokchung and Wokha were designated by earlier workers as Naogaon Sandstone , it may be presumed that Mallet's Naogaon Sandstone was accepted to continue upto these ...
Page 91
... major floods devastated the Nagaon plains almost every year since 1934 . Overflow of Kopili river has , since time immemorial , eroded fertile expanses of cultivable land , destroyed standing crops , taken huge toll of life and property ...
... major floods devastated the Nagaon plains almost every year since 1934 . Overflow of Kopili river has , since time immemorial , eroded fertile expanses of cultivable land , destroyed standing crops , taken huge toll of life and property ...
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