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 51
... given in Table 1 . - below : - a ) The description of the individual zones is given Zone of ( cobaltiferous ) pyrite mineralisation : This zone occurring to the north of Ranga River , - - trends N 20 E S 20 W and is confined within the ...
... given in Table 1 . - below : - a ) The description of the individual zones is given Zone of ( cobaltiferous ) pyrite mineralisation : This zone occurring to the north of Ranga River , - - trends N 20 E S 20 W and is confined within the ...
Page 57
... given in Table - VI . - A perusal of the Table VI shows that some of the samples , both in magnetic and non ... given in the Table VII . ( Ghosh et al , 1982 ) . - Few more sets of samples from the mineralised zone ( core samples ) were ...
... given in Table - VI . - A perusal of the Table VI shows that some of the samples , both in magnetic and non ... given in the Table VII . ( Ghosh et al , 1982 ) . - Few more sets of samples from the mineralised zone ( core samples ) were ...
Page 81
... given for different units , specially within the Laisong and the Jenam . It appears that these units have been arbitrarily created and present observations indicate that the stages created by Evans do not have any practical utility for ...
... given for different units , specially within the Laisong and the Jenam . It appears that these units have been arbitrarily created and present observations indicate that the stages created by Evans do not have any practical utility for ...
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