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 127
... thickness of the top ( RE - VIII T ) and the bottom seam ( RE - VIII B ) are found to be 3.96m and 3.65m respectively . In the borehole RPA - 5 located in the south , thickness of these split seams dwindle down to 2.90m and 2.64m ...
... thickness of the top ( RE - VIII T ) and the bottom seam ( RE - VIII B ) are found to be 3.96m and 3.65m respectively . In the borehole RPA - 5 located in the south , thickness of these split seams dwindle down to 2.90m and 2.64m ...
Page 129
... thickness of topmost Begunia seam varies from 1.16m to 1.45m and shows a gradual decrease in thickness towards east of the sector . Coal from this seam is of class - I quality with 15.4 % aslı and 2.0 % moisture . Ramnagar seam ...
... thickness of topmost Begunia seam varies from 1.16m to 1.45m and shows a gradual decrease in thickness towards east of the sector . Coal from this seam is of class - I quality with 15.4 % aslı and 2.0 % moisture . Ramnagar seam ...
Page 139
... thickness between 12.87 m Karharbari seam occurs in six split sections varying in thickness from 0.45 m to 21.55 m . The top split section i.e. , seam no . IA is considerably thick ( 2.75 m to 21.55 m ) . The upper portion of the seam ...
... thickness between 12.87 m Karharbari seam occurs in six split sections varying in thickness from 0.45 m to 21.55 m . The top split section i.e. , seam no . IA is considerably thick ( 2.75 m to 21.55 m ) . The upper portion of the seam ...
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