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 34
... zones is observed on comparison with the drilling data . The surveys have in ... zone of mineralisation struck by borehole AGD - 1 . The S.P. anomaly here is ... mineralised horizons encountered in the drill holes and the S. P. and E. M. ...
... zones is observed on comparison with the drilling data . The surveys have in ... zone of mineralisation struck by borehole AGD - 1 . The S.P. anomaly here is ... mineralised horizons encountered in the drill holes and the S. P. and E. M. ...
Page 35
... area . Integrated geological and geophysical studies established the Singhbhum copper belt extending from Khejurdari ( 22 ° 24 ′ : 86 ° 34 ′ ) on the south - east and Mahulimurup in the west with potential mineralised zones at Mosaboni ...
... area . Integrated geological and geophysical studies established the Singhbhum copper belt extending from Khejurdari ( 22 ° 24 ′ : 86 ° 34 ′ ) on the south - east and Mahulimurup in the west with potential mineralised zones at Mosaboni ...
Page 83
... mineralised zones , recording low resistivity and strong negative S. P. , are indicated between depths 74.4 to 81 m . and 93.2 to 96.3 m . Mineralisation in these zones is not continuous as is apparent from the nature of the variations ...
... mineralised zones , recording low resistivity and strong negative S. P. , are indicated between depths 74.4 to 81 m . and 93.2 to 96.3 m . Mineralisation in these zones is not continuous as is apparent from the nature of the variations ...
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