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 176
... cores reveals that subsurface sediment is dominated by sand mixed with very minor amount of silt and clay . A few vibro cores of smaller lengths show the presence of very hard and ferruginous silt / sandy clay with calcareous ...
... cores reveals that subsurface sediment is dominated by sand mixed with very minor amount of silt and clay . A few vibro cores of smaller lengths show the presence of very hard and ferruginous silt / sandy clay with calcareous ...
Page 182
... cores are generally composed of silty clay and / or clay and vary in length from 1.5 to 3.10 m with an average of 2.8 m . Total meterage cored was 46 m . All the 16 cores were subsampled at 1 cm interval down the first 10 cm and later ...
... cores are generally composed of silty clay and / or clay and vary in length from 1.5 to 3.10 m with an average of 2.8 m . Total meterage cored was 46 m . All the 16 cores were subsampled at 1 cm interval down the first 10 cm and later ...
Page 192
... cores , 6 piston cores and 33 grab samples were collected by occupying 137 stations . ONGC collected 97 samples from cores and carried out absorbed gas analyses and total scanning fluorescence of sediment extract of anomalous samples ...
... cores , 6 piston cores and 33 grab samples were collected by occupying 137 stations . ONGC collected 97 samples from cores and carried out absorbed gas analyses and total scanning fluorescence of sediment extract of anomalous samples ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
Copyright | |
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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