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 38
... phonolite dykes from the Gronnedal - Ika area , South Greenland . Contri . Mineral . Petrol , V. 34 , pp . 87-100 . Nongchram Fault : A major disloca- tion zone from West Meghalaya ( in press ) . Pyroxenes from the alkaline rocks rocks ...
... phonolite dykes from the Gronnedal - Ika area , South Greenland . Contri . Mineral . Petrol , V. 34 , pp . 87-100 . Nongchram Fault : A major disloca- tion zone from West Meghalaya ( in press ) . Pyroxenes from the alkaline rocks rocks ...
Page 39
... Phonolite globules in basanite from Kiandra , Australia , Lithos , V. 3 , pp . 309-317 . Pyroxenes of the Fen alkaline complex , Norway . Am . Mineral , V .. 65 , pp . 45-54 . A new find of carbonatite from Meghalaya . Curr . Sci , V.54 ...
... Phonolite globules in basanite from Kiandra , Australia , Lithos , V. 3 , pp . 309-317 . Pyroxenes of the Fen alkaline complex , Norway . Am . Mineral , V .. 65 , pp . 45-54 . A new find of carbonatite from Meghalaya . Curr . Sci , V.54 ...
Page 42
... area . m = alkali feldspar minimum , M = phonolite minimum ( 750 + 7 ° C ) Solid circle = lamprophyre , Circle with dot- tinguaite and feldspathic ijolite . Plate 2 2.1 Explanation of Plates 2.2 2.3 Thin lamprophyre GSI Rec 115 pts 3 & 4 ...
... area . m = alkali feldspar minimum , M = phonolite minimum ( 750 + 7 ° C ) Solid circle = lamprophyre , Circle with dot- tinguaite and feldspathic ijolite . Plate 2 2.1 Explanation of Plates 2.2 2.3 Thin lamprophyre GSI Rec 115 pts 3 & 4 ...
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