Records of the Geological Survey of India, Volume 87, Part 1 - Volume 88, Part 1The Survey, 1958 - Earthquakes |
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Page 31
... consist of greenish ' needle ' shales , trappoid shales , fine - grained sand- stones and boulder bed . The Barakars consist of sandstones , clays and conglomerates with associated beds of fire - clays and carbonaceous shales , the ...
... consist of greenish ' needle ' shales , trappoid shales , fine - grained sand- stones and boulder bed . The Barakars consist of sandstones , clays and conglomerates with associated beds of fire - clays and carbonaceous shales , the ...
Page 34
... consisting of boulders which vary greatly in size from 3 ' - 4 ' across to " in dia- meter . The boulders consist of quartz , quartzite , gneiss , granite . trap , sandstone etc. and are cemented by a clayey matrix . This group covers ...
... consisting of boulders which vary greatly in size from 3 ' - 4 ' across to " in dia- meter . The boulders consist of quartz , quartzite , gneiss , granite . trap , sandstone etc. and are cemented by a clayey matrix . This group covers ...
Page 43
... consist almost entirely of hornblende and plagioclase with minor biotite , garnet and quartz . Often they are banded or fissile . Dolerite dykes are rare in this area . They intrude into mica- schists and have been themselves intruded ...
... consist almost entirely of hornblende and plagioclase with minor biotite , garnet and quartz . Often they are banded or fissile . Dolerite dykes are rare in this area . They intrude into mica- schists and have been themselves intruded ...
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Common terms and phrases
40th Indian Sci abutment alignment alluvium amphibolites ANON ANON ANON Archaean Assistant Geologist B. C. Roy bands Barakar belt Bihar Bijapur district biotite biotite-schists Bombay bore-holes boulders charnockites Circle clay coal seams coalfield conglomerate Cuddapah dam-site Deccan Trap deposits depth dolerite dolomite drilling Dutt east eastern examined exposed feet thick felspathic ferruginous folded foliation formations fossils furlongs Geological Survey Ghosh gneisses Gondwana grade granite gneiss grey Hazaribagh district hill hornblende hornblende-schists inches India intrusive investigated Kaladgi Khola Kutch laterite lignite limestone Madhya Madras manganese manganese-ore Messrs mica mica-schists mineral mining nala occur outcrops pegmatites phyllites pits portion Pradesh Proc quarries quartz quartz veins quartzites Rajasthan reports the occurrence ridge right bank river bed rock types samples sand sandstones Saurashtra schists shales Siwaliks soil square miles strike systematic mapping taluk Tertiary thin tons topo tube-wells Upper valley zone