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 34
Page 17
... anomalies of large magnitude . Sato and Mooney ( 1960 ) have tried to explain such self - potentials and observed that the maximum anomaly that may be expected due to pyrites would be about 400 mv . while for copper sulphides ...
... anomalies of large magnitude . Sato and Mooney ( 1960 ) have tried to explain such self - potentials and observed that the maximum anomaly that may be expected due to pyrites would be about 400 mv . while for copper sulphides ...
Page 33
... anomaly zone encountered scanty mineralisation along with graphite . In the Satkui ( 27 ° 49 ' 75 ° 33 ' ) area , a number of S. P. anomalies , corroborated by electromagnetic data at places , were obtained and test drilling near these ...
... anomaly zone encountered scanty mineralisation along with graphite . In the Satkui ( 27 ° 49 ' 75 ° 33 ' ) area , a number of S. P. anomalies , corroborated by electromagnetic data at places , were obtained and test drilling near these ...
Page 37
... anomaly axes over mostly soil - covered area , extending over a length of nearly 8 km . The E. M. anomalies were generally very strong and , at places , attained maximum values of 35 % and 25 % in in - phase and out - of - phase ...
... anomaly axes over mostly soil - covered area , extending over a length of nearly 8 km . The E. M. anomalies were generally very strong and , at places , attained maximum values of 35 % and 25 % in in - phase and out - of - phase ...
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