Records of the Geological Survey of India, Volume 103The Survey, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 16
Page 33
... quartzite under sand cover , were obtained ; the absence of S. P. anomalies does not , however , rule out the possibility of ... quartzites and partly in dolomites , comprising copper and lead in the form of chalcopyrite and galena . The ...
... quartzite under sand cover , were obtained ; the absence of S. P. anomalies does not , however , rule out the possibility of ... quartzites and partly in dolomites , comprising copper and lead in the form of chalcopyrite and galena . The ...
Page 43
... Quartzite and pyroxene granulite are the other rock types in the area . Graphite occurs in the form of disse- minations , veins and lenses within the quartzites , gneisses and also at the contacts of these two rock types . Trial pits ...
... Quartzite and pyroxene granulite are the other rock types in the area . Graphite occurs in the form of disse- minations , veins and lenses within the quartzites , gneisses and also at the contacts of these two rock types . Trial pits ...
Page 67
... quartzite ridges and ii ) to study the vertical extent of jointing and weathering in the quartzites on the top of the abutment ridges . The seismic shooting on the abutment ridges indicated three velocity segments viz . , a surface ...
... quartzite ridges and ii ) to study the vertical extent of jointing and weathering in the quartzites on the top of the abutment ridges . The seismic shooting on the abutment ridges indicated three velocity segments viz . , a surface ...
Contents
OF | 1 |
Geophysical Problems and Methods by L | 14 |
Mining Geophysics by P C Paul Y R Bhanu | 31 |
Copyright | |
3 other sections not shown
Other editions - View all
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