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 9
... gold was carried out in the Dalma volcanics and in the Singhbhum Group of rocks . However , except for few anamolous gold values in the Tamar - Porapahar Shear Zone in the metabasics of ... Gold Project: Gold An Overview Sengupta, Director.
... gold was carried out in the Dalma volcanics and in the Singhbhum Group of rocks . However , except for few anamolous gold values in the Tamar - Porapahar Shear Zone in the metabasics of ... Gold Project: Gold An Overview Sengupta, Director.
Page 10
... Gold of supergene and epigenetic disseminated types are scattered over wide areas and is the source of elu- vial / colluvial and alluvial gold placers , being com- mon both in the Dalma volcanic suite and Singhbhum Group of rocks of ...
... Gold of supergene and epigenetic disseminated types are scattered over wide areas and is the source of elu- vial / colluvial and alluvial gold placers , being com- mon both in the Dalma volcanic suite and Singhbhum Group of rocks of ...
Page 232
... Gold . 1 . 2 . Search for gold , basemetals , and other noble metals in Dalma volcanics and Singhbhum metasedimentary rocks in parts of Singhbhum and Ranchi districts , Bihar . Investigation for gold mineralisation associated with ...
... Gold . 1 . 2 . Search for gold , basemetals , and other noble metals in Dalma volcanics and Singhbhum metasedimentary rocks in parts of Singhbhum and Ranchi districts , Bihar . Investigation for gold mineralisation associated with ...
Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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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