Records of the Geological Survey of India, Volume 131, Parts 4-5Government of India, 1996 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 194
... magnetic and resistivity methods . A prior knowledge of the environment of these pipes led to the possibility of identifying favourable geophysical environment for kimberlite pipes from the regional gravity and magnetic surveys . During ...
... magnetic and resistivity methods . A prior knowledge of the environment of these pipes led to the possibility of identifying favourable geophysical environment for kimberlite pipes from the regional gravity and magnetic surveys . During ...
Page 201
... magnetic and gravity profiles , though superimposed along with that of older metamorphics , in case of gravity . The magnetic profile distinctly brings out the contact of hornblendite with the granites in the east and sheared granites ...
... magnetic and gravity profiles , though superimposed along with that of older metamorphics , in case of gravity . The magnetic profile distinctly brings out the contact of hornblendite with the granites in the east and sheared granites ...
Page 211
... magnetic high values are due to the mineralisation with quartz - carbonate / ankerite veins in the sheared chlorite schist . Trenches opened over the IP anomaly . zones exposed moderate to highly sheared mafic volcanics with thin veins ...
... magnetic high values are due to the mineralisation with quartz - carbonate / ankerite veins in the sheared chlorite schist . Trenches opened over the IP anomaly . zones exposed moderate to highly sheared mafic volcanics with thin veins ...
Contents
Study of the variation of PalaeoceneEocene sediments in the shelf area of Shillong plateau along | 18 |
Author Index 56 | 24 |
RECORDS VOL 131 PART5 | i |
Copyright | |
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abutment amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite Arunachal Pradesh assess auriferous axis bands bed rock biotite biotite gneiss block boreholes carried charnockite Chitradurga clay Cuddapah Cuddapah Basin delineated deposits depth Dharmapuri dimensional stone dolerite downstream drilling dykes east eastern emplaced excavation exposed fault field season folds foliation Formation foundation gabbro Gadwal geochemical geoenvironmental GEOLOGICAL MAP GEOTECHNICAL INVESTIGATIONS gneiss Gneissic gold mineralisation grade grained granite granulite graphite gravity greenstone belt grey grouting indicated joints Karnataka Kerala kimberlite Kurnool limestone located lode magnetic magnetite Meghalaya metabasalt migmatite mineral NE-SW NNW-SSE NW-SE occurs pegmatite phyllite Plate-1 potential power house pyrite quarries quartz quartz veins quartzite Quaternary regional reservoir river samples sandstone scale schist belt seepage shale shear zone slope soil spillway sq km stream sediment strike length structure studies sulphide TALUK TAMIL NADU thickness traverse trench trending tunnel upto Velampatti weathered width