Records of the Geological Survey of India, Volume 128, Parts 3-5Government of India, 1993 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 139
... quartzite , mica schist and interbanded basaltic volcanics intruded by metabasic / ultrabasic and granitoid ( Bonai and Tamparkola granites ) rocks . The second sequence ( younger ) occurring to the north , comprises gritty quartzite ...
... quartzite , mica schist and interbanded basaltic volcanics intruded by metabasic / ultrabasic and granitoid ( Bonai and Tamparkola granites ) rocks . The second sequence ( younger ) occurring to the north , comprises gritty quartzite ...
Page 141
... quartzite . The values of Ni ranges from 15 ppm to 2000 ppm . The higher values of Ni ( viz . 950 ppm , 1280 ppm , 975 ppm , 1160 ppm , 1340 ppm , 1380 ppm , 1760 ppm and 2000 ppm ) was shown by chlorite schist , ultramafic rock ...
... quartzite . The values of Ni ranges from 15 ppm to 2000 ppm . The higher values of Ni ( viz . 950 ppm , 1280 ppm , 975 ppm , 1160 ppm , 1340 ppm , 1380 ppm , 1760 ppm and 2000 ppm ) was shown by chlorite schist , ultramafic rock ...
Page 233
... quartzite . All these lithounits are traversed by two generations of vein quartz ( mostly white but at a few places grey ) and capped by Tertiary gravels followed by laterite at places . The pebbly quartzite , the lithounits more ...
... quartzite . All these lithounits are traversed by two generations of vein quartz ( mostly white but at a few places grey ) and capped by Tertiary gravels followed by laterite at places . The pebbly quartzite , the lithounits more ...
Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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Common terms and phrases
alignment amphibolite Andaman Andhra Pradesh apatite bands basemetal basin Bihar biotite block boreholes carbonatite charnockite chlorite clay conglomerate covered depth dips district dolerite drilling dykes Eastern excavation exposed fault field season fold foliation Formation fractures gabbro geochemical geological mapping geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold mineralisation Gondwana grade grained granite granite gneiss granulite grey Group of rocks INDEX indicated intersected intrusives joints Karnataka kimberlite laterite limestone lineaments lithounits located magnetic magnetite migmatite mineral NE-SW NW-SE occur Orissa pegmatite phyllite power house Project proposed pyrite quartz quartz veins quartzite Quaternary regional reservoir river rock types samples sandstone scale schist schist belt schistose sedimentary shale shear zone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structures sulphide Tamil Nadu thick tion toposheet traverse trench trending tunnel ultramafic upto valley volcanics West Bengal