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 9
... covered by over- burden of glacial drift and thick residual soil in Minnesota , Wisconsin , Maine and Virginia in the U. S. A. In Maine , where the bedrock geology is complex and is mostly covered by a mantle of glacial drift ...
... covered by over- burden of glacial drift and thick residual soil in Minnesota , Wisconsin , Maine and Virginia in the U. S. A. In Maine , where the bedrock geology is complex and is mostly covered by a mantle of glacial drift ...
Page 39
... covered area to the north of Loharas , the S. P. data ( corroborated by E. M. and resistivity data ) indicated that the mineralised zone extends towards further north upto . Kotri ( 27 ° 41 ′ : 75 ° 34 ′ ) . It is possible that the ...
... covered area to the north of Loharas , the S. P. data ( corroborated by E. M. and resistivity data ) indicated that the mineralised zone extends towards further north upto . Kotri ( 27 ° 41 ′ : 75 ° 34 ′ ) . It is possible that the ...
Page 40
... covered ground to the north and south , indicating the possible extent of the mineralised zone over a length of nearly 4 km . The estimated depths to the causative body vary from 14 to 30 m . From the magnetic surveys it could be ...
... covered ground to the north and south , indicating the possible extent of the mineralised zone over a length of nearly 4 km . The estimated depths to the causative body vary from 14 to 30 m . From the magnetic surveys it could be ...
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