Records of the Geological Survey of India, Volume 114, Part 1The Survey, 1986 - 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 210
... flows of " Aa " type have been delinea- ted , the flows being separated by red bole or zeolitic zones . All the flows show sparse to moderately developed porphyritic texture with plagioclase felspar as phenecrysts . Two flows , viz ...
... flows of " Aa " type have been delinea- ted , the flows being separated by red bole or zeolitic zones . All the flows show sparse to moderately developed porphyritic texture with plagioclase felspar as phenecrysts . Two flows , viz ...
Page 289
... flows between 560-569 m RL . The flows are practically horizontal and show a gradient of 1 in 400 towards northeast and east northeast . Three basaltic dykes with maximum width of 7.5 m and over a length of 9 km have been traced in the ...
... flows between 560-569 m RL . The flows are practically horizontal and show a gradient of 1 in 400 towards northeast and east northeast . Three basaltic dykes with maximum width of 7.5 m and over a length of 9 km have been traced in the ...
Page 290
... flows ( compound pahoehoe , simple pahoehoe and aa types ) simple pahoehoe and aa types ) between 440 m RL and 865 m RL . The flows show upto 20 ° dip due north and are faulted against the east - west trending Kondaibari fault with a ...
... flows ( compound pahoehoe , simple pahoehoe and aa types ) simple pahoehoe and aa types ) between 440 m RL and 865 m RL . The flows show upto 20 ° dip due north and are faulted against the east - west trending Kondaibari fault with a ...
Contents
GEOLOGY DIVISION | 1 |
OFFSHORE MINERAL EXPLORATION MARINE GEOLOGY DIVISION | 48 |
DIVISION OF REGIONAL INTEGRATED SURVEY | 82 |
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Common terms and phrases
abutment alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bed rock belt Bihar biotite block boreholes carried chalcopyrite charnockite chemical clay coalfield comprising core covering an area Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes envisages excavation exploration exposed fault foliation Formation geochemical geological investigation geological mapping Geologist geotechnical investigation gneiss Gondwana grade granite gneiss grey Group Headquarters Hydel Project indicated intruded Jammu Karnataka km long Laboratory laterite limestone line km lineaments located logging Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone slate soil spillway sq km Srivastava strike length studies sulphide thickness tion tonnes toposheet trending tunnel upto valley varying volcanics width