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 75
... NAGALAND , MANIPUR , AND UPPER ASSAM AND SUGGESTION FOR REGROUPING By S P SAXENA GEOLOGICAL SURVEY OF INDIA ( With Figure - 12 ) Abstract Thick argillo - arenaceous sequence overlying a thick shale sequence ( Disang ) in parts of Nagaland ...
... NAGALAND , MANIPUR , AND UPPER ASSAM AND SUGGESTION FOR REGROUPING By S P SAXENA GEOLOGICAL SURVEY OF INDIA ( With Figure - 12 ) Abstract Thick argillo - arenaceous sequence overlying a thick shale sequence ( Disang ) in parts of Nagaland ...
Page 79
... Nagaland will not be of practical importance and will not serve the purpose for systematic mapping . The rocks of the Barails in Nagaland , occur of in a number of roughly NE - SW trending linear belts , the individual exposures ...
... Nagaland will not be of practical importance and will not serve the purpose for systematic mapping . The rocks of the Barails in Nagaland , occur of in a number of roughly NE - SW trending linear belts , the individual exposures ...
Page 81
... 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 places . Now according to ...
... 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 places . Now according to ...
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