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 229
... rock types in the area intruded by quartz and pegmatite bands . The bed rock depth varied from 1.52 m to 4.87 m at the two drill hole locations ( R.D. 7.23 and R. D. 10.25 ) . Fresh rock is available between 10.27 m . and 17.06 m ...
... rock types in the area intruded by quartz and pegmatite bands . The bed rock depth varied from 1.52 m to 4.87 m at the two drill hole locations ( R.D. 7.23 and R. D. 10.25 ) . Fresh rock is available between 10.27 m . and 17.06 m ...
Page 232
... rock types at the proposed dam site having E.-W. strike with northerly dips . Several joint sets have traversed these rock types which are often 1 to 1.5 m open at the surface . The mapping work could not be completed due to tribal ...
... rock types at the proposed dam site having E.-W. strike with northerly dips . Several joint sets have traversed these rock types which are often 1 to 1.5 m open at the surface . The mapping work could not be completed due to tribal ...
Page 350
... rock types belong to Pre - Aravalli age and comprise banded grey and pink biotite gneisses , migmatites and acidic intrusions in the form of quartz veins and pegmatites . The outcrops are quite sparse . Shri A. M. Rakshit covered an ...
... rock types belong to Pre - Aravalli age and comprise banded grey and pink biotite gneisses , migmatites and acidic intrusions in the form of quartz veins and pegmatites . The outcrops are quite sparse . Shri A. M. Rakshit covered an ...
Contents
Volume 106 | 1 |
WESTERN REGION | 16 |
Engineering and Transport Division | 82 |
Copyright | |
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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