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 26
Page 3
... ground gravity , magnetic and seismic surveys may profitably be carried out As stated earlier , the crystalline rocks of the igneous and metamorphic basement have much higher magnetic susceptibi- lity than the superincumbent sedimentary ...
... ground gravity , magnetic and seismic surveys may profitably be carried out As stated earlier , the crystalline rocks of the igneous and metamorphic basement have much higher magnetic susceptibi- lity than the superincumbent sedimentary ...
Page 6
... ground , gamma ray activity from the radio nuclides in the air and from cosmic rays also affect the instrument . The aerial scintillometer can detect differences of as little as 0.002 % equivalent uranium content of the rock from an ...
... ground , gamma ray activity from the radio nuclides in the air and from cosmic rays also affect the instrument . The aerial scintillometer can detect differences of as little as 0.002 % equivalent uranium content of the rock from an ...
Page 22
... ground electromagnetic data supported by model experi- ments , Bosschart ( 1961 ) showed that ot products of 50 to 500 mhos are quite likely for massive sulphides . Strangway ( 1966 ) interpreted a number of ground electromagnetic ...
... ground electromagnetic data supported by model experi- ments , Bosschart ( 1961 ) showed that ot products of 50 to 500 mhos are quite likely for massive sulphides . Strangway ( 1966 ) interpreted a number of ground electromagnetic ...
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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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