Records of the Geological Survey of India, Volume 103The Survey, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 27
... refraction seismic profiles have also been used in purely geological problems such as that of estimating the ... refracted waves corresponding to water - bearing sands are characterised by a high frequency spectrum . When the waves are ...
... refraction seismic profiles have also been used in purely geological problems such as that of estimating the ... refracted waves corresponding to water - bearing sands are characterised by a high frequency spectrum . When the waves are ...
Page 58
... refraction and resistivity surveys were conducted to determine the thickness of the alluvial cover and locate possible basins of decomposition in the bed rock itself . Depressions in the bed rock and troughs covered by more than 200 m ...
... refraction and resistivity surveys were conducted to determine the thickness of the alluvial cover and locate possible basins of decomposition in the bed rock itself . Depressions in the bed rock and troughs covered by more than 200 m ...
Page 63
... refraction seismic methods have yielded the best subsurface information . The cost of combined seismic cum electrical investigations for a duration of three months ranges between 60 and 75 thousands of rupees . It has been estimated ...
... refraction seismic methods have yielded the best subsurface information . The cost of combined seismic cum electrical investigations for a duration of three months ranges between 60 and 75 thousands of rupees . It has been estimated ...
Contents
RECORDS | 1 |
Geophysical Problems and Methods by L | 16 |
Mining Geophysics by P C Paul Y R Bhanu | 31 |
Copyright | |
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airborne alluvium anomaly zones Archaean borehole buried channels Cambay causative body chalcopyrite chromite clay coal seams conductive zones conductor corroborated curves Deccan traps delineated deposits depth Dhauj and Kot district dolomite electrical logging electrical resistivity fault field formations frequency G. S. I. report geological mapping Geological Survey Geophysical investigations geophysical logging geophysical methods geophysical parties led geophysical surveys gneisses Gondwana graphite gravity groundwater groundwater exploration high resistive horizons in-phase indicated Indo-Gangetic plains Induced Polarisation Kailasam layer limestone locating log trace magnetic anomalies magnetic method magnetic surveys mineralised zone minerals Mining Geophysics negative S. P. ohm-m overburden phyllites Pradesh problem profiles quartzites radioactivity Rajasthan refraction seismic resistivity method resistivity surveys S. P. anomalies saline sandstones schists sedimentary sediments seismic method seismic refraction self-potential anomalies shales structural studies Subathu subsurface sulphide Survey of India surveys were carried terrace deposits Test drilling thickness tion velocity