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 149
... valley is formed due to the excavation by erosion of the weak supra - Alwar rocks , while the more resistant Alwar rocks form the hill ranges bordering the valley . Quartzites of the Alwar series , are exposed on the hills west of Alwar ...
... valley is formed due to the excavation by erosion of the weak supra - Alwar rocks , while the more resistant Alwar rocks form the hill ranges bordering the valley . Quartzites of the Alwar series , are exposed on the hills west of Alwar ...
Page 158
... valley , but some black clay horizons have been noted in the driller's logs of wells in the Alwar city area . It is difficult to decipher from the driller's logs whether they are black clays or pulverised mica - schist . b ) Difficulty ...
... valley , but some black clay horizons have been noted in the driller's logs of wells in the Alwar city area . It is difficult to decipher from the driller's logs whether they are black clays or pulverised mica - schist . b ) Difficulty ...
Page 159
... valley ceased after the deposi- tion of boulder gravels . Thereafter the fluvial ( piedmont ) environment was active only in the proximity of the hills ; in the central part of the valley the fluvial environment gave way to desert ...
... valley ceased after the deposi- tion of boulder gravels . Thereafter the fluvial ( piedmont ) environment was active only in the proximity of the hills ; in the central part of the valley the fluvial environment gave way to desert ...
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