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 17
... Mineral assemblages of Unit B show amp- hibolite facies equilibration . Analyses of these assemblages indicate presence of a prograde , cardierite producing reac- tion , and two retrograde , chlorite producing reactions . The latter ...
... Mineral assemblages of Unit B show amp- hibolite facies equilibration . Analyses of these assemblages indicate presence of a prograde , cardierite producing reac- tion , and two retrograde , chlorite producing reactions . The latter ...
Page 38
... Mineral . Petrol . , V. 73 , pp.105-117 . Lamprophyre dykes from Argyll . Mineral . Mag , V. 33 , PP . 415-430 . The role of lithothermal systems in magmatic and tectonic processes . Jour Earth . Sci . , V. 8 , pp . 261-273 . Chemistry ...
... Mineral . Petrol . , V. 73 , pp.105-117 . Lamprophyre dykes from Argyll . Mineral . Mag , V. 33 , PP . 415-430 . The role of lithothermal systems in magmatic and tectonic processes . Jour Earth . Sci . , V. 8 , pp . 261-273 . Chemistry ...
Page 63
... minerals , V.I ; Longman London ; pp.77-112 . : : Report on the investigation carried out in areas around Ranga ... mineral investigation in the Subansiri Frontier Division , NEFA . Unpub . Prog . Report . , Geol . Surv . Ind . Roy ...
... minerals , V.I ; Longman London ; pp.77-112 . : : Report on the investigation carried out in areas around Ranga ... mineral investigation in the Subansiri Frontier Division , NEFA . Unpub . Prog . Report . , Geol . Surv . Ind . Roy ...
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