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 39
Geological Survey of India. depression was a volcanic crater . Later observers also ascribed the feature to be due to volcanic activity . Medlicott and Blanford ( 1879 ) also considered the causative factor to be a singularly violent ...
Geological Survey of India. depression was a volcanic crater . Later observers also ascribed the feature to be due to volcanic activity . Medlicott and Blanford ( 1879 ) also considered the causative factor to be a singularly violent ...
Page 40
... volcanic activity are some of the important criteria that are being used by protagonists of the different theories . ( Even the meteorite impact origin for the Barringer Crater is being questioned by a few geologists ) . Lonar once ...
... volcanic activity are some of the important criteria that are being used by protagonists of the different theories . ( Even the meteorite impact origin for the Barringer Crater is being questioned by a few geologists ) . Lonar once ...
Page 41
... volcanic activity in the area surrounding Lonar is also noteworthy . Volcanic cones of such dimensions as Lonar are unknown or very rare . The age of the structure is considered to be younger than Deccan Trap but no volcanic activity ...
... volcanic activity in the area surrounding Lonar is also noteworthy . Volcanic cones of such dimensions as Lonar are unknown or very rare . The age of the structure is considered to be younger than Deccan Trap but no volcanic activity ...
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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