Records of the Geological Survey of India, Volume 97Geological Survey of India, 1969 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 62
... tholeiitic and the alkali - basalt - the former predominating . Early differentiates , anticipably greatly reduced owing to the intrinsic nature of the plateau - basalt outpouring in addition to its near eutectoid composition ( minimum ...
... tholeiitic and the alkali - basalt - the former predominating . Early differentiates , anticipably greatly reduced owing to the intrinsic nature of the plateau - basalt outpouring in addition to its near eutectoid composition ( minimum ...
Page 74
... tholeiitic " ( idem . ) , as may be gathered from the usual increase of Al2O3 in the former until the last stage , compared with the decrease in the latter ; " to which the present instance is no exception . 2 3 These and allied ...
... tholeiitic " ( idem . ) , as may be gathered from the usual increase of Al2O3 in the former until the last stage , compared with the decrease in the latter ; " to which the present instance is no exception . 2 3 These and allied ...
Page 75
... tholeiitic magma would derive mainly from the envisaged fusion of garnet , whereas the alkali - basalt magma primarily from that of omphacite . The petrography of the basic dyke swarms , of the West Gir Forest testifies amply to the ...
... tholeiitic magma would derive mainly from the envisaged fusion of garnet , whereas the alkali - basalt magma primarily from that of omphacite . The petrography of the basic dyke swarms , of the West Gir Forest testifies amply to the ...
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Common terms and phrases
15th April alkali alkali-basalt alluvium Alwar Alwar valley basalt basalt magma beds belt Bengal Bihar borehole Calcutta carbonate coal coal-bearing unit coalfield Coccolithus sp Coniacian Contai country rock cracks crystallisation Daling Thrust Damudas Darjeeling Deccan Trap depression depth developed Diameter district dykes east east-west emplaced Eocene epicentre felt folds formation fossil G. S. I. Type Geol GEOLOGICAL SURVEY Gondwanas grains granitic groundwater hectares India Jour kankar Kirthar Middle Eocene Kutch lake lamprophyre lithological Lonar crater magma malachite material metamorphism meteorite craters mineral NaCl NaHCO3 nannoplanktons occurs olivine Pachydesmoceras patches pegmatites plagioclase PLATE polarised light pukka pumped quantity of reh quartz quartzite Rajasthan Raniganj Record Sagar Island sajji samples collected sand seams sediments Siwaliks sodium Specimen Stradner and Papp structure Surv SURVEY OF INDIA Talchir tenorite thickness tholeiitic tonnes transmitted and polarised tubewells vitrinite volcanic zone