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 2
... group of rocks . Outcrops of charnockite within 3 metres of the spring are ( a ) composed of an equigranular mosaic of uralitised pyroxene and oligoclase - andesine , and rare grains of quartz , biotite and later magnetite ; ( b ) ...
... group of rocks . Outcrops of charnockite within 3 metres of the spring are ( a ) composed of an equigranular mosaic of uralitised pyroxene and oligoclase - andesine , and rare grains of quartz , biotite and later magnetite ; ( b ) ...
Page 75
... Group of rocks . Continuance of the rocks of the Barail of the type section i.e. along Jenam river section through parts of Manipur to Nagaland then to Assam plains bordering the state of Nagaland has been observed . This , therefore ...
... Group of rocks . Continuance of the rocks of the Barail of the type section i.e. along Jenam river section through parts of Manipur to Nagaland then to Assam plains bordering the state of Nagaland has been observed . This , therefore ...
Page
... Group Tipam Group Surma Group Barail Group Ultrabasics Jaintia , Disang Groups HUMAN Shillong Group Unclassified Granites & Gneisses RECENT PLEISTOCENE PLIOCENE MIOCENE OLIGOCENE EOCENE EOCENE MIDDLE { PROTEROZOIC ARCHAEAN Faults ...
... Group Tipam Group Surma Group Barail Group Ultrabasics Jaintia , Disang Groups HUMAN Shillong Group Unclassified Granites & Gneisses RECENT PLEISTOCENE PLIOCENE MIOCENE OLIGOCENE EOCENE EOCENE MIDDLE { PROTEROZOIC ARCHAEAN Faults ...
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