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 20
... assemblages have been plotted on Thompson's AFM projections ( Fig . 5 ) . It is interesting to note that the metapelites - exhibit staurolite + biotite + cordierite garnet .The six - phase assemblage - [ staurolite + biotite + ...
... assemblages have been plotted on Thompson's AFM projections ( Fig . 5 ) . It is interesting to note that the metapelites - exhibit staurolite + biotite + cordierite garnet .The six - phase assemblage - [ staurolite + biotite + ...
Page 80
... assemblage " and the overlying rocks of Tipam . Moreover , the lithological ption shows that the litho - assemblage in which coal occurs comprises moderately coarse to coarse , gritty , bluish grey sandstone and thus has less ...
... assemblage " and the overlying rocks of Tipam . Moreover , the lithological ption shows that the litho - assemblage in which coal occurs comprises moderately coarse to coarse , gritty , bluish grey sandstone and thus has less ...
Page 81
... assemblage . Here , this litho - assemblage was designated as Baragolai and Tikak parbat or simply as Coal measures . Accordingly , Evans consi- dered Baragolai and Tikak parbat to be Barails and clubbed the nearby arenaceous assemblage ...
... assemblage . Here , this litho - assemblage was designated as Baragolai and Tikak parbat or simply as Coal measures . Accordingly , Evans consi- dered Baragolai and Tikak parbat to be Barails and clubbed the nearby arenaceous assemblage ...
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