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 81
... units . The ultramafic suite is composed of talc - schist , talc - tremolite - actinolite schist , anthophyllite - chlorite schist , serpentinised peridotites and pyroxenites . Komatiitic rocks with pillowed structure and with high MgO ...
... units . The ultramafic suite is composed of talc - schist , talc - tremolite - actinolite schist , anthophyllite - chlorite schist , serpentinised peridotites and pyroxenites . Komatiitic rocks with pillowed structure and with high MgO ...
Page 145
... unit . Sedimentary features such as current bedding show a northerly younging direction of these rocks . Rock units that lie to the north of sequence - III include carbonaceous phyllite , with thin interbands of car- bonaceous quartzite ...
... unit . Sedimentary features such as current bedding show a northerly younging direction of these rocks . Rock units that lie to the north of sequence - III include carbonaceous phyllite , with thin interbands of car- bonaceous quartzite ...
Page 23
... units with its characteristics are described in Table - l . The landscape of the area rep- resents four geomorphic units ; these units in their des- cending order of antiquity are as follows : - ( i ) Tertiary Hill range : It is the ...
... units with its characteristics are described in Table - l . The landscape of the area rep- resents four geomorphic units ; these units in their des- cending order of antiquity are as follows : - ( i ) Tertiary Hill range : It is the ...
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