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 50
... Rajasthan and Andhra Pradesh ; those of Bihar and Rajasthan have been studied in detail by the authors in recent years . The paper attempts to compare and contrast the geological milieu of pegmatite formation in both the belts with a ...
... Rajasthan and Andhra Pradesh ; those of Bihar and Rajasthan have been studied in detail by the authors in recent years . The paper attempts to compare and contrast the geological milieu of pegmatite formation in both the belts with a ...
Page 51
... Rajasthan pegmatite belt has been producing commercial muscovite during the last sixty years or so . Since the Second World War the belt has become an important source for lithium - bearing minerals , beryl and radioactive minerals ...
... Rajasthan pegmatite belt has been producing commercial muscovite during the last sixty years or so . Since the Second World War the belt has become an important source for lithium - bearing minerals , beryl and radioactive minerals ...
Page 53
... Rajasthan : -The predominant rock formations of the Rajasthan pegmatite belt are a thick succession of Archaean rocks comprising metasediments , gneisses and granites . Pre - Aravalli gneisses , schists and granites represent the oldest ...
... Rajasthan : -The predominant rock formations of the Rajasthan pegmatite belt are a thick succession of Archaean rocks comprising metasediments , gneisses and granites . Pre - Aravalli gneisses , schists and granites represent the oldest ...
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