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 35
... estimated depths to the causative body , computed from self - potential data , usually ranged from 10 to 30 m . The self - potential surveys were useful in delineating possible zones of mineralisation in the Singhbhum copper belt ...
... estimated depths to the causative body , computed from self - potential data , usually ranged from 10 to 30 m . The self - potential surveys were useful in delineating possible zones of mineralisation in the Singhbhum copper belt ...
Page 40
... estimated depths to the causative body vary from 14 to 30 m . From the magnetic surveys it could be inferred that , except in the northernmost part , the mineralised zone is likely to contain mainly pyrite and chalcopyrite During the ...
... estimated depths to the causative body vary from 14 to 30 m . From the magnetic surveys it could be inferred that , except in the northernmost part , the mineralised zone is likely to contain mainly pyrite and chalcopyrite During the ...
Page 51
... estimated to vary from 60 to 90 m . At the request of the Dandakaranya Project Authorities , geophysical investigations for groundwater were carried out in the Paralkote and Umarkote ( 19 ° 40 ′ : 82 ° 12 ′ ) zones of the project area ...
... estimated to vary from 60 to 90 m . At the request of the Dandakaranya Project Authorities , geophysical investigations for groundwater were carried out in the Paralkote and Umarkote ( 19 ° 40 ′ : 82 ° 12 ′ ) zones of the project area ...
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