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 21
Page 34
... significant feature which corresponds well with the zone of copper mineralisation met with in bore- hole AG - 18 . Similarly , the S. P. , magnetic and E. M. results obtained in the Nallakonda ( 16 ° 12 ′ : 79 ° 42 ′ ) area are of low ...
... significant feature which corresponds well with the zone of copper mineralisation met with in bore- hole AG - 18 . Similarly , the S. P. , magnetic and E. M. results obtained in the Nallakonda ( 16 ° 12 ′ : 79 ° 42 ′ ) area are of low ...
Page 42
... significant gravity and resistivity anomalies , which may be indicative of chromite - ore , were recommended for test drilling . In the Bairapur area , gravity and magnetic surveys brought out a couple of interesting gravity anomalies ...
... significant gravity and resistivity anomalies , which may be indicative of chromite - ore , were recommended for test drilling . In the Bairapur area , gravity and magnetic surveys brought out a couple of interesting gravity anomalies ...
Page 71
... significant resistivity contrast between the Mandhalis ( 500 ohm - m . to 1,400 ohm - m . ) and the Subathu shales ( of the order of 100 ohm - m . ) . Electrical soundings ( Schlumberger configuration ) conducted in the road section at ...
... significant resistivity contrast between the Mandhalis ( 500 ohm - m . to 1,400 ohm - m . ) and the Subathu shales ( of the order of 100 ohm - m . ) . Electrical soundings ( Schlumberger configuration ) conducted in the road section at ...
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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Common terms and phrases
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