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 iii
... detailed mapping . It is established that Singhbhum Granite is intrusive into the supracrustals . Carbonatites earlier reported from North Purulia shear zone seem to be more extensive than assumed earlier . Alkaline and ultramafic rocks ...
... detailed mapping . It is established that Singhbhum Granite is intrusive into the supracrustals . Carbonatites earlier reported from North Purulia shear zone seem to be more extensive than assumed earlier . Alkaline and ultramafic rocks ...
Page iv
... Detailed work carried out in GR Halli south block and Kotemardi block established the presence of a few discontinuous auriferous zones . The trench samples from these areas yielded moderately high values of gold . Detailed mapping of ...
... Detailed work carried out in GR Halli south block and Kotemardi block established the presence of a few discontinuous auriferous zones . The trench samples from these areas yielded moderately high values of gold . Detailed mapping of ...
Page 12
... detailed geological investigation to prove the auriferous nature of the smoky quartz ( SQ ) veins associated with the ferruginous micaceous quartzite ( FMQ ) . The exploratory work carried out includes 5 sq km of detailed traverse ...
... detailed geological investigation to prove the auriferous nature of the smoky quartz ( SQ ) veins associated with the ferruginous micaceous quartzite ( FMQ ) . The exploratory work carried out includes 5 sq km of detailed traverse ...
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