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 74
... recorded in the seismograph , also yielded the natural frequency of ground vibration , as the ground selects or produces damped oscillatary vibra- tions at its resonance frequency in response to the impact . Mechanical vibration ...
... recorded in the seismograph , also yielded the natural frequency of ground vibration , as the ground selects or produces damped oscillatary vibra- tions at its resonance frequency in response to the impact . Mechanical vibration ...
Page 83
... recording low resistivity and strong negative S. P. , are indicated between depths 74.4 to 81 m . and 93.2 to 96.3 m ... recorded a more or less high resistive bed of calc - argillite down to 186 m . depth . The ' shale base ' lines of ...
... recording low resistivity and strong negative S. P. , are indicated between depths 74.4 to 81 m . and 93.2 to 96.3 m ... recorded a more or less high resistive bed of calc - argillite down to 186 m . depth . The ' shale base ' lines of ...
Page 84
Geological Survey of India. 224 m . and 230 to 231 m . , recording low resistivity and negative S. P. , are probably ... recorded at depth ranges 49.2 to 49.8 , 51.1 to 52.0 , 59.8 to 60.2 , 87.9 to 90.4 , 91.7 to 92.0 and 128.8 to 129.1 ...
Geological Survey of India. 224 m . and 230 to 231 m . , recording low resistivity and negative S. P. , are probably ... recorded at depth ranges 49.2 to 49.8 , 51.1 to 52.0 , 59.8 to 60.2 , 87.9 to 90.4 , 91.7 to 92.0 and 128.8 to 129.1 ...
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