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 19
... soundings can detect them , even if the thickness of such horizons were only of the order of a few metres . Plate - 6 illustrates a resistivity sounding diagnostic of an intertrappean bed ( sandy shales ? ) delineated by M. R. Nair , et ...
... soundings can detect them , even if the thickness of such horizons were only of the order of a few metres . Plate - 6 illustrates a resistivity sounding diagnostic of an intertrappean bed ( sandy shales ? ) delineated by M. R. Nair , et ...
Page 65
... sounding ( Schlumberger configuration ) was effec- tively carried out to delineate the bed rock topography of the ... sounding curves obtained in this area were of the KQ and QQ type ( Keller and Frischknecht , 1966 ) , Plate 3. Fig . 2 ...
... sounding ( Schlumberger configuration ) was effec- tively carried out to delineate the bed rock topography of the ... sounding curves obtained in this area were of the KQ and QQ type ( Keller and Frischknecht , 1966 ) , Plate 3. Fig . 2 ...
Page 71
... soundings made at two favourable sites on the hill slopes could detect the Subathus at depths of 51 m . and 93 m . The sounding curve for the latter along with the geophysical log is presented in Plate 3. Fig . 2 . The reduced levels of ...
... soundings made at two favourable sites on the hill slopes could detect the Subathus at depths of 51 m . and 93 m . The sounding curve for the latter along with the geophysical log is presented in Plate 3. Fig . 2 . The reduced levels of ...
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