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 8
... gneiss , garnetiferous granite gneiss of the Khondalite Group ( Banerji , 1982 ) , Charnockite and amphobolite belonging to Eastern Ghat Sugergroup of rocks with a general trend of N 15 30W with 75 to 80 dip due east ( Swain et al ...
... gneiss , garnetiferous granite gneiss of the Khondalite Group ( Banerji , 1982 ) , Charnockite and amphobolite belonging to Eastern Ghat Sugergroup of rocks with a general trend of N 15 30W with 75 to 80 dip due east ( Swain et al ...
Page 26
... gneisses , porphy- roblastic granitoids and leucogranites in parts of East Garo and West Khasi Hills ( Fig 6 ) . The ... gneiss and distribution of alkaline rocks in the area is a major zone of dislocation designated as Nongchram fault ...
... gneisses , porphy- roblastic granitoids and leucogranites in parts of East Garo and West Khasi Hills ( Fig 6 ) . The ... gneiss and distribution of alkaline rocks in the area is a major zone of dislocation designated as Nongchram fault ...
Page 46
... gneiss , augen gneiss and pegmatites . This NE SW to NNE _- SSW trending unit could be traced for about 13 km along strike , across the Ranga river . The surface manifestations of the sulphide mineralisation , however , have so far been ...
... gneiss , augen gneiss and pegmatites . This NE SW to NNE _- SSW trending unit could be traced for about 13 km along strike , across the Ranga river . The surface manifestations of the sulphide mineralisation , however , have so far been ...
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