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 16
Page 15
... locating geological structures of importance in oil exploration and in detecting magnetic ore bodies like pyrrhotite , manganese , iron - ore , diamond bearing volcanic pipes etc. In exploration for structures in sedimentary areas , one ...
... locating geological structures of importance in oil exploration and in detecting magnetic ore bodies like pyrrhotite , manganese , iron - ore , diamond bearing volcanic pipes etc. In exploration for structures in sedimentary areas , one ...
Page 46
... locating lignite at depth in this area due to poor contrast in resistivity . Electrical resistivity and magnetic surveys were carried out during the periods 1947-48 and 1959-63 for delineating Gondwana - Archaean and Gondwana - Trap ...
... locating lignite at depth in this area due to poor contrast in resistivity . Electrical resistivity and magnetic surveys were carried out during the periods 1947-48 and 1959-63 for delineating Gondwana - Archaean and Gondwana - Trap ...
Page 84
... locating oxidised mineralised zones . Single electrode electrical logging techniques have been best suited in locating correct boundaries of formations and for determining their exact thicknesses . Stratigraphic / structural boundaries ...
... locating oxidised mineralised zones . Single electrode electrical logging techniques have been best suited in locating correct boundaries of formations and for determining their exact thicknesses . Stratigraphic / structural boundaries ...
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