Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 105
... sandstone , occasionally with shale clasts ; hard ferruginous partings of variable thickness . ii ) Medium grained , characteristically red , occasionally yellow , cross bedded sandstone . iv ) Violet to lavender , silty claystone ...
... sandstone , occasionally with shale clasts ; hard ferruginous partings of variable thickness . ii ) Medium grained , characteristically red , occasionally yellow , cross bedded sandstone . iv ) Violet to lavender , silty claystone ...
Page 109
... sandstone with numerous subrounded pebbles ( even boulder size ) of quartz and quartzite , sometimes concentrated as layers . It is overlain by cross bedded , ferruginous , often pebbly sandstone with ferruginous partings ( thickness ...
... sandstone with numerous subrounded pebbles ( even boulder size ) of quartz and quartzite , sometimes concentrated as layers . It is overlain by cross bedded , ferruginous , often pebbly sandstone with ferruginous partings ( thickness ...
Page 20
... sandstone , shale / siltstone ratio varies from 60:40 in the lower part to about 80:20 in the upper part of this Formation . The sandstone is grey , fine grained , micaceous , hard , compact and rippled . The thickly bedded sandstone ...
... sandstone , shale / siltstone ratio varies from 60:40 in the lower part to about 80:20 in the upper part of this Formation . The sandstone is grey , fine grained , micaceous , hard , compact and rippled . The thickly bedded sandstone ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal