Records of the Geological Survey of India, Volume 136, Parts 4-7Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 48
One borehole,_ each of 50m length, has been recommended at newly proposed surge shaft and surface power house site to know the depth of residual soil, weathered rock and fresh rock and also the permeability. At the surface powerhouse ...
One borehole,_ each of 50m length, has been recommended at newly proposed surge shaft and surface power house site to know the depth of residual soil, weathered rock and fresh rock and also the permeability. At the surface powerhouse ...
Page 197
location, the sub-surface information by boreholes indicated the presence of weathered and disintegrated bedrock even upto 10 m depth from the average ground level. As the spillway has to be located on hard rock, excavation was made to ...
location, the sub-surface information by boreholes indicated the presence of weathered and disintegrated bedrock even upto 10 m depth from the average ground level. As the spillway has to be located on hard rock, excavation was made to ...
Page 36
Mineralisation : Polish section studies of core samples from different depths of first borehole (BBH-1) of Baniwala ... The ore minerals identified are chalcopyrite, cubanite and pyrrhotite at 8.5 m depth, fractured filling pyrrhotite ...
Mineralisation : Polish section studies of core samples from different depths of first borehole (BBH-1) of Baniwala ... The ore minerals identified are chalcopyrite, cubanite and pyrrhotite at 8.5 m depth, fractured filling pyrrhotite ...
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Contents
EXTENDED ABSTRACTS OF PROGRESS REPORTS | 5 |
MEGHALAYA MINERAL INVESTIGATION PROJECT | 11 |
RECORDS VOLUME 136 PART5 | i |
Copyright | |
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Common terms and phrases
amphibolite Andhra Pradesh anomaly auriferous bands basalt base metals basin bedrock biotite block boreholes carried charnockite clay collected comprising Construction stage geotechnical covered Cuddapah deformation delineated depth district dolerite dolomite drilling dykes east excavation exploration exposed fault feldspar field field season folds foliation Formation foundation fracture geoenvironmental geological mapping geophysical geotechnical investigation gneiss gneissic gold values grained granite granite gneiss granitoids gravity grey grouting indicated intersected intrusive joints kimberlite limestone lineaments lithounits located magnetic Meghalaya migmatite mineralised zone minerals NE-SW NNW-SSE NW-SE occur overburden pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Rajasthan regional River rock samples sand sandstone scale schist schist belt shear zone slope soil sq km stage geotechnical investigation stream sediment strike length structural studies sulphide Supergroup surface surveys syenite Tamil Nadu tectonic thick toposheet traverse trench trending Udaipur district ultramafic village volcanics weathered width