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 212
... schist , felspathic schist and granite ( massive , foli- ated and deformed i.e. sheared and mylonitised ) . The granite is at places granophyric in texture ( Arkasani granophyre ) . After probing the above mentioned 600 m long ...
... schist , felspathic schist and granite ( massive , foli- ated and deformed i.e. sheared and mylonitised ) . The granite is at places granophyric in texture ( Arkasani granophyre ) . After probing the above mentioned 600 m long ...
Page 49
... schist belt constitutes the northern part of Chitradurga schist belt , north of Tungabhadra River wherein ancient workings and old gold mines are scattered over an area of 200 sq km . The main lithounits are metavolcanics ( rhyolite to ...
... schist belt constitutes the northern part of Chitradurga schist belt , north of Tungabhadra River wherein ancient workings and old gold mines are scattered over an area of 200 sq km . The main lithounits are metavolcanics ( rhyolite to ...
Page 195
... schist belt and is located about 50 km NW of Anantpur . The principal rock units are metabasalt with interbanded basic and acid tuff , metaandesite , metarhyolite , BIF , chert , quartz - carbonate - chlorite - sericite schist and ...
... schist belt and is located about 50 km NW of Anantpur . The principal rock units are metabasalt with interbanded basic and acid tuff , metaandesite , metarhyolite , BIF , chert , quartz - carbonate - chlorite - sericite schist and ...
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