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 13
... places quartz grains are flattened along gneissosity and occasionaly contains garnet in some places , Garnet - sillimanite - quartz mica schist at places graphite bearing and garnetiferous mica schist forms the dominant metasedimentary ...
... places quartz grains are flattened along gneissosity and occasionaly contains garnet in some places , Garnet - sillimanite - quartz mica schist at places graphite bearing and garnetiferous mica schist forms the dominant metasedimentary ...
Page 49
... places it is faulted . At a few places , intense peg- matite veining is seen . The gneissic granites are seen to have been intruded by the grey and pink granites . The metavolcanies include fine - grained basalt , schistose basalt ...
... places it is faulted . At a few places , intense peg- matite veining is seen . The gneissic granites are seen to have been intruded by the grey and pink granites . The metavolcanies include fine - grained basalt , schistose basalt ...
Page 121
... places dips are vertical . Few minor synforms and antiforms with an easterly plunge of 60 ° to 70 ° were noticed in the eastern seg- ment of the prospect . Structures on meso- scopic scale are characterised by tightly appressed folds ...
... places dips are vertical . Few minor synforms and antiforms with an easterly plunge of 60 ° to 70 ° were noticed in the eastern seg- ment of the prospect . Structures on meso- scopic scale are characterised by tightly appressed folds ...
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