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 24
... period tends to decay roughly exponentially during the period following the pulse . These gaps in the primary field thus enable detection of eddy currents induced in a conducting ore body by measuring their amplitude and wave forms ...
... period tends to decay roughly exponentially during the period following the pulse . These gaps in the primary field thus enable detection of eddy currents induced in a conducting ore body by measuring their amplitude and wave forms ...
Page 42
... period 1948 to 1954 by parties led by R. A. Nagarajaiah , P. C. Paul , S. C. Sinha and A. Roy . Manganese ores are presumed to have been formed by the metamorphism of manganese bearing sediments deposited with sands , clays , and ...
... period 1948 to 1954 by parties led by R. A. Nagarajaiah , P. C. Paul , S. C. Sinha and A. Roy . Manganese ores are presumed to have been formed by the metamorphism of manganese bearing sediments deposited with sands , clays , and ...
Page 44
... period 1963-65 in Tentulkunti ( 20 ° 57 ′ : 83 ° 07 ′ ) , Buren ( 20 ° 53 ′ : 83 ° 01 ′ ) and Anakamara ( 20 ° 52 ... periods 1947-48 and 1964-68 by parties led by S. C. Sinha , B. R. Dash and B. Jana . The prominent rock types in the ...
... period 1963-65 in Tentulkunti ( 20 ° 57 ′ : 83 ° 07 ′ ) , Buren ( 20 ° 53 ′ : 83 ° 01 ′ ) and Anakamara ( 20 ° 52 ... periods 1947-48 and 1964-68 by parties led by S. C. Sinha , B. R. Dash and B. Jana . The prominent rock types in the ...
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