Records of the Geological Survey of India, Volume 96Geological Survey of India, 1961 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 20
... granite . The quartzite- phyllite is bounded on the east and north by the schist which passes northwards into the gneissic rocks containing true granite . The rocks trend mainly W.N.W.-E.S.E. Mehdi mapped an area of about 240 sq . km ...
... granite . The quartzite- phyllite is bounded on the east and north by the schist which passes northwards into the gneissic rocks containing true granite . The rocks trend mainly W.N.W.-E.S.E. Mehdi mapped an area of about 240 sq . km ...
Page 40
... granite show various stages of lateritisation , the layer of kaolin at the base of the bauxite possibly resting on weathered granite . The large pegmatites traversing vertical joints in the granite have possibly contributed to the ...
... granite show various stages of lateritisation , the layer of kaolin at the base of the bauxite possibly resting on weathered granite . The large pegmatites traversing vertical joints in the granite have possibly contributed to the ...
Page 218
... granite , and both have the same accessory minerals ; the same type of magma was in both extrusive and intrusive phases . Siwana granite , Barmer district , Rajasthan . - Venkataraman noted the association of aegirine with riebeckite ...
... granite , and both have the same accessory minerals ; the same type of magma was in both extrusive and intrusive phases . Siwana granite , Barmer district , Rajasthan . - Venkataraman noted the association of aegirine with riebeckite ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
MINERAL INVESTIGATIONS | 37 |
ENGINEERING GEOLOGY INVESTIGATIONS | 117 |
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abutment alignment amphibolite Andhra Pradesh Archaean Assistant Geologists B. C. Roy bands Banerjee Barakars Bihar boreholes Calcutta cent Central Headquarters charnockite Chowdhury chromite Circle Office clay coal seams coalfield copper Copper-ore deposits depth dips district district.-See Ditto dolerite dolomite Dutta dykes examined exposed fault folded foliation formations Geological Survey Geologists Geologists Jr Geophysical Division gneiss Gondwana granite gneiss groundwater Gupta hill Hydel investigated iron-ore Jammu kilometres laterite limestone located Long Madhya Pradesh Madras manganese-ore mapped Scale metres million tonnes mineral mineralisation Murthy nala occur Orissa pegmatite Petrological Laboratories phyllite power-house Pradesh Circle Prasad Project proposed Punjab pyrite quartz quartz veins quartzite Rajasthan Regional Office reported river bed rock types samples sandstone Sarvashri schist shale Sharma sheets 73 Shri Singh Southern Regional spillway Srivastava strike Superintending Geologist in-Charge Survey of India Talchir thick trend tubewells tunnel Uttar Pradesh Vindhyan zone