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 3
... sedimentary rocks . Such aerial magnetic surveys also enable the delineation of areas in sedimentary basins which may be affected by igneous intrusives ( for which the other geophysical methods will not be effective ) . They ... sediments 3.
... sedimentary rocks . Such aerial magnetic surveys also enable the delineation of areas in sedimentary basins which may be affected by igneous intrusives ( for which the other geophysical methods will not be effective ) . They ... sediments 3.
Page 4
... sediments postulated by Oldham ( 1917 ) in the northern limits of the plains ' , Iccally increasing to depths of sediments of the order of 15,000 m . ( Agocs , 1965 ) . The aeromagnetic surveys have also brought out some prominent ...
... sediments postulated by Oldham ( 1917 ) in the northern limits of the plains ' , Iccally increasing to depths of sediments of the order of 15,000 m . ( Agocs , 1965 ) . The aeromagnetic surveys have also brought out some prominent ...
Page 57
... sediments such as the Gondwanas . The main objective of the surveys was to investigate the thickness of the alluvium . Seismic refrac- tion profiles have clearly picked up the interface between the alluvium and the underlying ...
... sediments such as the Gondwanas . The main objective of the surveys was to investigate the thickness of the alluvium . Seismic refrac- tion profiles have clearly picked up the interface between the alluvium and the underlying ...
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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Common terms and phrases
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