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 17
... extension across the groundwater table , the susceptibility of the ore minerals for oxidation and the conductivity of the surrounding medium . Highly conducting massive ore bodies , disposed at shallow depths and extending across the ...
... extension across the groundwater table , the susceptibility of the ore minerals for oxidation and the conductivity of the surrounding medium . Highly conducting massive ore bodies , disposed at shallow depths and extending across the ...
Page 44
... extension in depth . The investi- gations as also subsequent drilling over three of the anomalies revealed that graphite occurs at a shallow depth in the western part of the area as compared to the eastern part , and also that it occurs ...
... extension in depth . The investi- gations as also subsequent drilling over three of the anomalies revealed that graphite occurs at a shallow depth in the western part of the area as compared to the eastern part , and also that it occurs ...
Page 78
... extensions and are expected to be potential reservoirs of fresh subsurface water . In boreholes Nos . 4 and 5 ... extension cannot be ruled out in this part of the exposed area . Further studies through surface geophysical surveys ...
... extensions and are expected to be potential reservoirs of fresh subsurface water . In boreholes Nos . 4 and 5 ... extension cannot be ruled out in this part of the exposed area . Further studies through surface geophysical surveys ...
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