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 188
... depth extensions . Towards the bottom of all the four cores indicates that the lime mud may extend beyond 2.80 m depth logged in the cores . The CaO content of the lime mud ranges from 43 to 50 % . An area of about 28,600 sq km lying ...
... depth extensions . Towards the bottom of all the four cores indicates that the lime mud may extend beyond 2.80 m depth logged in the cores . The CaO content of the lime mud ranges from 43 to 50 % . An area of about 28,600 sq km lying ...
Page 42
... depth and a granite body underneath around 600 m R.L. has prevented depth extension . The reserves estimated here is one million tonnes of low grade ore . The ore contains much less phosphorous than that in Nishikhal deposit . The third ...
... depth and a granite body underneath around 600 m R.L. has prevented depth extension . The reserves estimated here is one million tonnes of low grade ore . The ore contains much less phosphorous than that in Nishikhal deposit . The third ...
Page 97
... depth was interpreted by drawing geological sections . Borehole data along dam axis show the bed rock depth varying from 0.68m to 10.97m ( R.L. 337.22m to 305.58m ) and fresh rock depth varies from 19.96m to 24.30m ( R.L. 296.66m to ...
... depth was interpreted by drawing geological sections . Borehole data along dam axis show the bed rock depth varying from 0.68m to 10.97m ( R.L. 337.22m to 305.58m ) and fresh rock depth varies from 19.96m to 24.30m ( R.L. 296.66m to ...
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