Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1987 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 137
... horizon is seen to form a composite Lajkura Coal horizon ranging in thickness from 12m to 16.25m within a depth range of 20.95m to 119.85m . On analysis , the seam exhibits 7.5 % to 7.8 % moisture and 36.1 % to 40.1 % ash . Lajkura ...
... horizon is seen to form a composite Lajkura Coal horizon ranging in thickness from 12m to 16.25m within a depth range of 20.95m to 119.85m . On analysis , the seam exhibits 7.5 % to 7.8 % moisture and 36.1 % to 40.1 % ash . Lajkura ...
Page 149
... horizon , belonging to lower part of Kamthi Formation has been intersected at depth of 54.11m below the surface . The regionally persistent Barakar coal- shale horizon is highly interbanded with shale . The total 149 GSI . Rec . 122 ...
... horizon , belonging to lower part of Kamthi Formation has been intersected at depth of 54.11m below the surface . The regionally persistent Barakar coal- shale horizon is highly interbanded with shale . The total 149 GSI . Rec . 122 ...
Page 150
... horizon is highly interbanded with shale . The total cumulative thickness of the coal component in the horizon ranges from 2.36m to 8.32m . The existence of a series of strike faults in en - echelon pattern prevents it from cropping out ...
... horizon is highly interbanded with shale . The total cumulative thickness of the coal component in the horizon ranges from 2.36m to 8.32m . The existence of a series of strike faults in en - echelon pattern prevents it from cropping out ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
Geological Survey of India | 4 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
Copyright | |
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amphibolite AMSE Wing analysis Andaman anomalies assemblage bands Barakar Barakar Formation Barren Measures basin belt Bihar biotite block boreholes Calcutta clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores correlation deposits depth district Division-II drilling dykes Eastern Engineering Geology evaluation exploration fault Feasibility stage folds geochemical geological mapping Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grained granite granite gneiss grey Group heavy minerals horizon indicated Irrigation LANDSAT limestone lineaments located magnetic metamorphic mica migmatites mineralisation NW-SE occur Orissa pegmatite phyllite PRADESH quartz quartzite Raniganj Raniganj Formation regional river sand sandstone scale schist seam zones sector sediments shale shear zone Shillong sillimanite Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation Stratigraphy strike length structure surface Survey of India thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal