Records of the Geological Survey of India, Volume 113, Parts 1-3The Survey, 1983 - 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 229
... places , as indicated by thin zones of phyllonite and mylo- nite . The rocks were metamorphosed and the facies ranges to amphibolite to lower granulite . At places small concentration of sillimanite and kyanite with corrundum , occur ...
... places , as indicated by thin zones of phyllonite and mylo- nite . The rocks were metamorphosed and the facies ranges to amphibolite to lower granulite . At places small concentration of sillimanite and kyanite with corrundum , occur ...
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... places , the rock exhibits crude hypidiomorphic hypidiomorphic with subhedral to anhedral equidimen- texture with subhedral crystals of feldspars ( both potash and soda ) and anhedral grains of quartz , with biotite and a few muscovite ...
... places , the rock exhibits crude hypidiomorphic hypidiomorphic with subhedral to anhedral equidimen- texture with subhedral crystals of feldspars ( both potash and soda ) and anhedral grains of quartz , with biotite and a few muscovite ...
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... places . The mica schists are interlayered with bands of quartzites and quartz schists ( psamopelites ) that hosts a variety of sedimentary structures viz , cross laminations , convolute laminations and other penecontemporaneously ...
... places . The mica schists are interlayered with bands of quartzites and quartz schists ( psamopelites ) that hosts a variety of sedimentary structures viz , cross laminations , convolute laminations and other penecontemporaneously ...
Contents
OFF SHORE MINERAL EXPLORATION AND MARINE GEOLOGY DIVISION | 63 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 75 |
VI EASTERN REGION 165 | 165 |
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amphibolite analysis Andhra Pradesh anomaly zones apatite Asstt bands basin belt Bihar biotite block boreholes Calcutta carried chlorite clay Coalfield coarse collected core covered Deccan basalts Deccan Trap deposits depth dips Director DISTRICT Division dolomite drilling Dubrajpur exposed fault folds foliation Formation fossils geochemical Geol geological mapping Geological Survey Geologist Geologist Jr geotechnical Ghosh gneiss Gondwana grade granite gneiss grey Group Gupta indicated laboratory laterite limestone lineament lineation located logging Madhya Pradesh magnetic magnetite mapped an area metamorphism metres migmatites million tonnes mineralisation minerals nala occur Orissa pegmatite phyllite Plate Project pyrite quartz quartz veins quartzite Rajasthan Region river rock types S/Shri samples sandstone scale schist schistosity sector sequence shale shear zone Shri Singh Singhbhum sq km Srivastava strike length structural studies sulphide surface Survey of India thickness tion toposheet traverses trending upto volcanics