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 1
... observed in the sequence were synthesised to assess their spatial and temporal disposition . From the simple structural disposition of the sedimentary horizons their order of superposition could be worked out with certainty . Observed ...
... observed in the sequence were synthesised to assess their spatial and temporal disposition . From the simple structural disposition of the sedimentary horizons their order of superposition could be worked out with certainty . Observed ...
Page 46
... observed within the gneiss . During regional traverses , staurolite has been recognised within the garnetiferous schist around Dikchu Mines area . Thin bands of quartzite and amphibolite within the mica schist have also been observed ...
... observed within the gneiss . During regional traverses , staurolite has been recognised within the garnetiferous schist around Dikchu Mines area . Thin bands of quartzite and amphibolite within the mica schist have also been observed ...
Page 20
... observed in the area are burrows and trails . The general strike of bedding observed in the area is N - S with dips varying from 5 ° to 80 ° due east or west . Swerves in the attitude of bedding are due to structural disturbances ...
... observed in the area are burrows and trails . The general strike of bedding observed in the area is N - S with dips varying from 5 ° to 80 ° due east or west . Swerves in the attitude of bedding are due to structural disturbances ...
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