Records of the Geological Survey of India, Volume 106The Survey, 1975 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 155
... exposed ) ( 3 ) Sandstone - gritty , mica- ceous and pebbly ( pink quart- zite and other pebbles ) . -No exposure— East of Subansiri river bank Igo valley ( 4 ) Present ( 3 ) Present ( 2 ) ? Cherty dark shale -No exposure ( 1 ) ...
... exposed ) ( 3 ) Sandstone - gritty , mica- ceous and pebbly ( pink quart- zite and other pebbles ) . -No exposure— East of Subansiri river bank Igo valley ( 4 ) Present ( 3 ) Present ( 2 ) ? Cherty dark shale -No exposure ( 1 ) ...
Page 157
... exposed as two bands with N.N.W.-S.S.E. and N.E.-S.W. strikes and consist of biotite , quartz and felspar . Streaky to augen gneisses and porphyroblastic gneisses are common and occasionally veins of graphic or pegmatitic granite are ...
... exposed as two bands with N.N.W.-S.S.E. and N.E.-S.W. strikes and consist of biotite , quartz and felspar . Streaky to augen gneisses and porphyroblastic gneisses are common and occasionally veins of graphic or pegmatitic granite are ...
Page 161
... exposed for a distance of about 8.5 Km . near the source of Doimara river in the north where they are overriden by mica schists and quartzites of Tenga formation up to a place westsouthwest of Sissm , in the Doimara river where they are ...
... exposed for a distance of about 8.5 Km . near the source of Doimara river in the north where they are overriden by mica schists and quartzites of Tenga formation up to a place westsouthwest of Sissm , in the Doimara river where they are ...
Contents
Volume 106 | 1 |
WESTERN REGION | 16 |
Engineering and Transport Division | 82 |
Copyright | |
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh Asstt bands basalt basin bauxite Bihar biotite block bore holes boreholes Calcutta carried charnockite chert clay coal coalfield comprising copper Deccan Trap Delhi deposits depth Director district Division dolerite dolomite drill holes dykes east electrical logging exploration exploratory fault felspar foliation formation fossils garnetiferous geochemical geohydrological geological investigations geological mapping Geological Survey Geologist Jr geophysical Ghosh gneiss Gondwana grade grained granite gneiss graphite grey Groundwater hornblende indicated laboratory laterite limestone located Lucknow metres million tonnes mineralisation minerals nala occurs Orissa pegmatite phosphate phyllites pits power house Pradesh Project quartz quartzite Rajasthan Region river rock types S/Shri samples sandstone schist seams sediments shales Sharma shear Shri Singh Sinha spillway Srivastava strike length studies Survey of India systematic thickness thin toposheet Trap Flow traverse trending tubewells tunnel upto valley varies veins Vindhyan West Bengal zone