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
... gneiss . Mapping was carried out with the objective to understand mutual rela- tionship of different components of Chhotanagpur gneissic complex , their stratigraphic status and to assess regional mineral potentiality . Major lithounits ...
... gneiss . Mapping was carried out with the objective to understand mutual rela- tionship of different components of Chhotanagpur gneissic complex , their stratigraphic status and to assess regional mineral potentiality . Major lithounits ...
Page 88
... gneiss and minor garnet - cordierite gneiss ( metasedi- ments ) . Charnockite Group consisting of acid charnockite and pyroxene granulite with minor pyroxenite lenses . Migmati- tic group made up of banded hornblende- biotite gneiss ...
... gneiss and minor garnet - cordierite gneiss ( metasedi- ments ) . Charnockite Group consisting of acid charnockite and pyroxene granulite with minor pyroxenite lenses . Migmati- tic group made up of banded hornblende- biotite gneiss ...
Page 216
... gneiss includes bands of amphibolite , hornblende gneiss and magnetite . The laterite developed on biotite gneiss is characterised by a rolling topography and smooth surface . With the increase of hornblende con- tent , the biotite gneiss ...
... gneiss includes bands of amphibolite , hornblende gneiss and magnetite . The laterite developed on biotite gneiss is characterised by a rolling topography and smooth surface . With the increase of hornblende con- tent , the biotite gneiss ...
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