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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Results 1-3 of 17
Page 35
... values ranging from -100 mv to -500 mv were obtained . The axis almost corresponds to the fault zone , which is geologically favourable for mineralisation . The graphitic schists present along the fault zone might have to some extent ...
... values ranging from -100 mv to -500 mv were obtained . The axis almost corresponds to the fault zone , which is geologically favourable for mineralisation . The graphitic schists present along the fault zone might have to some extent ...
Page 63
... value of 150 to 200 ohm - m . in general for the quartzites , though higher values of 500 ohm - m . and above have also been observed . The saturated overburden material indicated two ranges of resistivities a top layer , with a maximum ...
... value of 150 to 200 ohm - m . in general for the quartzites , though higher values of 500 ohm - m . and above have also been observed . The saturated overburden material indicated two ranges of resistivities a top layer , with a maximum ...
Page 65
... values for the current and potential electrode separations . Resistivity profiles so obtained gave a qualitative picture of the bed rock configuration along the traverses . The traverses were so chosen as to connect some of the existing ...
... values for the current and potential electrode separations . Resistivity profiles so obtained gave a qualitative picture of the bed rock configuration along the traverses . The traverses were so chosen as to connect some of the existing ...
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