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 202
... grade limestone were delineated on the basis of groove sampling along two sample lines about 220 m apart . The weighted average of carbide grade limestone is given below . TABLE - I Groove sample Sample Nos Thickness CaO MgO A. I ...
... grade limestone were delineated on the basis of groove sampling along two sample lines about 220 m apart . The weighted average of carbide grade limestone is given below . TABLE - I Groove sample Sample Nos Thickness CaO MgO A. I ...
Page 203
... grade limestone is tentatively estimated between two samples lines , upto 50 m downdip assuming that the limestone extends with same grade . A vertical borehole was drilled in which two zones of carbide grade limestone were intercepted ...
... grade limestone is tentatively estimated between two samples lines , upto 50 m downdip assuming that the limestone extends with same grade . A vertical borehole was drilled in which two zones of carbide grade limestone were intercepted ...
Page 207
... grade limestone zones ( CaO : + 50 % , MgO : 2.5 % ) , have been delineated in different sections . The average thickness of the high grade zone comes to 13 m for a strike length of 500 m . A tentative resource of 0.81 million tonnes is ...
... grade limestone zones ( CaO : + 50 % , MgO : 2.5 % ) , have been delineated in different sections . The average thickness of the high grade zone comes to 13 m for a strike length of 500 m . A tentative resource of 0.81 million tonnes is ...
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