Records of the Geological Survey of India, Volume 97The Survey, 1962 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 35
... Trap episode of 60 million years ago . Erosion of the structure since its inception is thus negligible and ... Trap . The trap flows are sub - horizontal and show very gentle dips . An examination of outcrops and hand specimens of rocks ...
... Trap episode of 60 million years ago . Erosion of the structure since its inception is thus negligible and ... Trap . The trap flows are sub - horizontal and show very gentle dips . An examination of outcrops and hand specimens of rocks ...
Page 36
... trap prone to spheroidal weathering is also found in some places . ( 2 ) Fine - grained , highly vesicular ( vesicles making up 50 % of the rock ) , purplish grev trap . The vesicles are filled with zeolite sheathed by green earthy ...
... trap prone to spheroidal weathering is also found in some places . ( 2 ) Fine - grained , highly vesicular ( vesicles making up 50 % of the rock ) , purplish grev trap . The vesicles are filled with zeolite sheathed by green earthy ...
Page 41
... trap . These are not seen in the area , nor have such depressions been described in the trap country . Serious difficulties are encountered in explaining the Lonar structure as a volcanic cone . Since Deccan basalts form the structure ...
... trap . These are not seen in the area , nor have such depressions been described in the trap country . Serious difficulties are encountered in explaining the Lonar structure as a volcanic cone . Since Deccan basalts form the structure ...
Contents
OF | 1 |
VOLUME 97 PART | 14 |
Geology and Origin of the Lonar Crater Maharashtra | 30 |
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15th April alkali alkali-basalt alluvium Alwar Alwar valley analysis Balasore basalt basalt magma beds belt Bengal Bihar borehole Calcutta carbonate coal coalfield Coccolithus sp Coniacian Contai country rock cracks crystal crystallisation Damudas Darjeeling Deccan Trap depression depth developed Diameter district dykes earthquake shocks east emplaced Eocene epicentre felt folds formation G. S. I. Type Geol GEOLOGICAL SURVEY Gondwanas grains granitic groundwater H₂O hectares Jour Kakdwip kankar Kutch lake lithological Lonar Crater magma malachite material meteorite meteorite craters microns Locality Middle Eocene mineral N/9 Horizon Na,CO Na,SO NaCl NaHCO nannoplanktons occurs olivine patches pegmatites plagioclase PLATE polarised light pukka pumped quantity of reh quartz quartzite Rajasthan Sagar Island sajji samples collected sand sediments sodium Specimen Stradner and Papp structure Surv SURVEY OF INDIA Talchir tenorite thickness tholeiitic tonnes transmitted and polarised tubewells vitrinite volcanic zone