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 16
... measure- ments can be carried out rapidly using a proton precession magnetometer by taking two readings at the same ... measure the gradient of the magnetic field , eliminating the effects . of diurnal variations . Gradient measurements ...
... measure- ments can be carried out rapidly using a proton precession magnetometer by taking two readings at the same ... measure the gradient of the magnetic field , eliminating the effects . of diurnal variations . Gradient measurements ...
Page 73
... measure- ments of elastic constants from strain / stress relationship in the laboratory have also been conducted ( Datta , 1967 ) , in situ dynamic measurements have been done only at a few project sites . Bokaro Steel Plant site ...
... measure- ments of elastic constants from strain / stress relationship in the laboratory have also been conducted ( Datta , 1967 ) , in situ dynamic measurements have been done only at a few project sites . Bokaro Steel Plant site ...
Page 74
... measurements serve to find areas of high ground conductivity in which corrosion is greatest ( Heiland , 1951 ) . The ... measure for pro- tection Less than 0.5 0.5 to 10 10 to 20 Very high High Increased Very strong Strong Increased 20 ...
... measurements serve to find areas of high ground conductivity in which corrosion is greatest ( Heiland , 1951 ) . The ... measure for pro- tection Less than 0.5 0.5 to 10 10 to 20 Very high High Increased Very strong Strong Increased 20 ...
Contents
OF | 1 |
Geophysical Problems and Methods by L | 14 |
Mining Geophysics by P C Paul Y R Bhanu | 31 |
Copyright | |
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airborne alluvium anomaly zones Archaean basin Bihar 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 electrical logging electrical resistivity fault field formations frequency G. S. I. report geological mapping Geological Survey Geophysical investigations geophysical logging geophysical methods geophysical surveys gneisses Gondwana graphite gravity groundwater groundwater exploration high resistive horizons in-phase indicated Indo-Gangetic plains Induced Polarisation Kailasam layers limestone locating log trace magnetic anomalies magnetic method magnetic surveys magnetometers mineralised zones minerals Mining Geophysics Nair negative S. P. ohm-m overburden phyllites Pradesh problem profiles quartzites radioactivity Rajasthan refraction seismic resistivity method resistivity values S. P. anomalies sandstones schists sedimentary sediments seismic method seismic refraction self-potential anomalies shales structural studies Subathu subsurface sulphide surface Survey of India surveys were carried terrace deposits Test drilling thickness tion velocity