Records of the Geological Survey of India, Volume 114Geological Survey of India, 1986 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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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 ) 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 downthrow of about 500 m to the ...
... flows ( compound pahoehoe , 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 downthrow of about 500 m to the ...
Contents
CENTRAL HEADQUARTERS | 5 |
STRATIGRAPHY AND PALAEONTOLOGY DIVISION | 14 |
INTERNATIONAL WING | 23 |
Copyright | |
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alignment amphibolite analysis Andhra Pradesh anomaly Asstt bands basalt bed rock belt Bihar biotite block boreholes Calcutta carried chalcopyrite chemical Circle clay coalfield comprising core Dam Project Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes excavation exploration exposed fault foliation Formation geochemical geological mapping Geologist Jr geotechnical investigation geothermal Ghosh gneiss Gondwana grade granite gneiss grey Group Headquarters HIMACHAL PRADESH Hydel Project Hydel Scheme indicated Jammu Karnataka km long Kumar Laboratory limestone line km lineaments located logged Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house Pradesh proposed pyrite quartz quartzite Region river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone Singh slate spillway sq km Srivastava strike length studies Survey of India thickness tion tonnes toposheet traverse trending upto valley volcanic