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 4
... exposed in Nongchram - Shallang sec- tion are banded biotite gneiss , granite gneiss , gtanitoid , lamprophyre and quartz vein . Assorted gneisses are the dominant rock type in this area . Pink medium grained granite occurs as intrusive ...
... exposed in Nongchram - Shallang sec- tion are banded biotite gneiss , granite gneiss , gtanitoid , lamprophyre and quartz vein . Assorted gneisses are the dominant rock type in this area . Pink medium grained granite occurs as intrusive ...
Page 78
... exposed in the foothills of Arunachal Pradesh extending from western Kameng to Siang River , in the east . The ob- jective was to identify the biota contained in the sedi- ments and on the basis of their detailed study to deter- mine ...
... exposed in the foothills of Arunachal Pradesh extending from western Kameng to Siang River , in the east . The ob- jective was to identify the biota contained in the sedi- ments and on the basis of their detailed study to deter- mine ...
Page 49
... exposed quartz veins of width of 0.20 m and gold values are apparently related to them . Trenches in zone - III , located ENE of Rangapur exposed the contact between schistose metabasalts and amphibolites without any significant vein ...
... exposed quartz veins of width of 0.20 m and gold values are apparently related to them . Trenches in zone - III , located ENE of Rangapur exposed the contact between schistose metabasalts and amphibolites without any significant vein ...
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