Records of the Geological Survey of India, Volume 106Geological Survey of India, 1971 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 177
... shearing of the basement gneisses and emplacement of granites during the deformation and upliftment of the Purana formations . The nepheline - syenites and nepheline - hornblende syenites have been emplaced along en - echelon shear ...
... shearing of the basement gneisses and emplacement of granites during the deformation and upliftment of the Purana formations . The nepheline - syenites and nepheline - hornblende syenites have been emplaced along en - echelon shear ...
Page 277
... shear zones ( 1 ) between Nallampalli ( 12 ° 00 ′ : 78 ° 47 ′ ) and Ponnaiyar river and ( 2 ) between Malaiyamerchekkadi ( 12 ° 05 ′ : 78 ° 46 ' ) and Ponnaiyar river have been traced for over 17.6 km . and 8 km . respectively ...
... shear zones ( 1 ) between Nallampalli ( 12 ° 00 ′ : 78 ° 47 ′ ) and Ponnaiyar river and ( 2 ) between Malaiyamerchekkadi ( 12 ° 05 ′ : 78 ° 46 ' ) and Ponnaiyar river have been traced for over 17.6 km . and 8 km . respectively ...
Page 321
... shear zone with badly caving and flowing ground was expected to continue for at least another 500 m . from the western face , which itself may take 2 to 3 years to go through , a change in the alignment was suggested , so as to be away ...
... shear zone with badly caving and flowing ground was expected to continue for at least another 500 m . from the western face , which itself may take 2 to 3 years to go through , a change in the alignment was suggested , so as to be away ...
Contents
Volume 106 | 1 |
EASTERN REGION CALCUTTA | 17 |
Publication Division | 50 |
Copyright | |
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh anomaly aquifers bands Basin bauxite bed rock Bihar biotite block bore holes boreholes carried charnockite clay coal Coalfield comprising copper covered an area deposits Depth to water dips dist district dolerite dolomite drill holes electrical logging exploration Exploratory drilling folds foliation formation garnetiferous geochemical geohydrological geological investigations geological mapping geophysical gneiss Gondwana grade granite gneiss graphite Groundwater Hazaribagh district Hydel indicated Khondalites laterite limestone located magnetite mapped an area mapped on scale metres mica schist million tonnes mineralised zones minerals nala Orissa pegmatite period under review phyllites pits power house Project pyrite quartzite Rajasthan recommended Region rock types S/Shri sand sandstone Scheme schist seams sediments shales shear zone Sheet Shri sillimanite Siwalik spillway strike length studies Subansiri sulphide Survey of India systematic thickness toposheet total meterage traverse trending tubewells tunnel underlain upto valley varies West Bengal