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 141
... values of zinc ranges from 10 ppm to 1800 ppm . The higher values of Zn ( Viz ; 1100 ppm , 1800 ppm , 1250 ppm , 925 ppm ) was shown by silicified metabasic rocks and limonitic quartzite . The values of Ni ranges from 15 ppm to 2000 ppm ...
... values of zinc ranges from 10 ppm to 1800 ppm . The higher values of Zn ( Viz ; 1100 ppm , 1800 ppm , 1250 ppm , 925 ppm ) was shown by silicified metabasic rocks and limonitic quartzite . The values of Ni ranges from 15 ppm to 2000 ppm ...
Page 21
... values . The boreholes below the massive pyrite body analysed low gold and silver values and considerable values of copper , lead , zinc . Encouraging values of cadmium are also reported . Alkali alumina calc femic variation diagram ...
... values . The boreholes below the massive pyrite body analysed low gold and silver values and considerable values of copper , lead , zinc . Encouraging values of cadmium are also reported . Alkali alumina calc femic variation diagram ...
Page 60
... values for gold ( < 0.1 g / t and above ) were recorded at a few places along the contact of conglomerate horizon and within carbonated meta- basalt . Systematic surface samples collected from these units indicated spot high values of ...
... values for gold ( < 0.1 g / t and above ) were recorded at a few places along the contact of conglomerate horizon and within carbonated meta- basalt . Systematic surface samples collected from these units indicated spot high values of ...
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