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 13
... grained light coloured leuco - granite gneiss which occupied in the southern part of area in Sindurpur , Sonaijuri , Kashipur etc. Coarse grained porphyroblastic granite occurs in the northern part of the area , it is leucocratic to ...
... grained light coloured leuco - granite gneiss which occupied in the southern part of area in Sindurpur , Sonaijuri , Kashipur etc. Coarse grained porphyroblastic granite occurs in the northern part of the area , it is leucocratic to ...
Page 48
... grained , foliated , massive and pegmatitic types . A medium grained metabasic rock ( metgabbro ) also occurs at several places within the ultramafic suite . Based on the petrological studies , the ultramafics of the area have been ...
... grained , foliated , massive and pegmatitic types . A medium grained metabasic rock ( metgabbro ) also occurs at several places within the ultramafic suite . Based on the petrological studies , the ultramafics of the area have been ...
Page 44
... grained , porphyritic and non - foliated . It consists of quartz , feldspar and biotite with an even distribution of phenocrysts of pink feldsapr and is capable of taking exquisite polish . It is suitable as a dimensional stone . Good ...
... grained , porphyritic and non - foliated . It consists of quartz , feldspar and biotite with an even distribution of phenocrysts of pink feldsapr and is capable of taking exquisite polish . It is suitable as a dimensional stone . Good ...
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