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 iv
... exploration for base metals . The need for concept based exploration targets has become acute . Integrated survey ( geological , geochemical and geophysical ) coupled with test drilling indicated positive sulphide mineralisation in some ...
... exploration for base metals . The need for concept based exploration targets has become acute . Integrated survey ( geological , geochemical and geophysical ) coupled with test drilling indicated positive sulphide mineralisation in some ...
Page 17
... exploration for basemetals around Kuilapal granite . Exploration for apatite and associated mineralisation in Eastern and Western Sectors of South Purulia Shear Zone was continued by traverse mapping , geochemical sampling , detailed ...
... exploration for basemetals around Kuilapal granite . Exploration for apatite and associated mineralisation in Eastern and Western Sectors of South Purulia Shear Zone was continued by traverse mapping , geochemical sampling , detailed ...
Page 21
... Exploration result indicates that the copper mineralisation is restricted to silicified part of the altered metabasic rock but dissemination could be found in entire metabasic rock . Pyrrhotite and chal- copyrite occur as grains , films ...
... Exploration result indicates that the copper mineralisation is restricted to silicified part of the altered metabasic rock but dissemination could be found in entire metabasic rock . Pyrrhotite and chal- copyrite occur as grains , films ...
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