Records of the Geological Survey of India, Volume 122, Part 2Government of India, 1989 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 49
... nature of the varioles and their coalescence suggest a clear cut differentiation of the rock at an early stage . The volcanics are suggested to be undifferentiated in nature , subaqueous and atleast in part hyaline , metamorphosed in ...
... nature of the varioles and their coalescence suggest a clear cut differentiation of the rock at an early stage . The volcanics are suggested to be undifferentiated in nature , subaqueous and atleast in part hyaline , metamorphosed in ...
Page 186
... nature . ii ) The central smooth and gently sloping elongated trough attaining maximum depth ( 4400 m ) in the area . The sediment in this part is primarily hemipelagic in nature consisting of foraminiferal ooze intermixed with ...
... nature . ii ) The central smooth and gently sloping elongated trough attaining maximum depth ( 4400 m ) in the area . The sediment in this part is primarily hemipelagic in nature consisting of foraminiferal ooze intermixed with ...
Page 201
... nature , admixed with intercalations of sandstone and shale . The tectonised nature of coal seams is more pronounced near the Main Boundary Thrust ( MBT ) , where the seams attained sub - vertical disposition and the accompanying ...
... nature , admixed with intercalations of sandstone and shale . The tectonised nature of coal seams is more pronounced near the Main Boundary Thrust ( MBT ) , where the seams attained sub - vertical disposition and the accompanying ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
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aero-EM aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies assemblage bands Barakar Barakar Formation Barren Measures basin BIHAR block boreholes Calcutta carried clay coal seams Coal Wing COALFIELD Code copper cores correlation deposits depth developed DISTRICT Division drilling dykes eastern fault fossils geochemical geological mapping GEOLOGICAL PLAN Geophysics gneisses Gondwana grained granite gravity GROUND EVALUATION Group heavy minerals India indicated intersected isochron isotopic Kamthi Formation LANDSAT lignite limestone located Lower magnetic metamorphic MG Wing migmatites million tonnes mineralisation NW-SE occurs OME & MG Orissa Palaeontology and Stratigraphy pegmatite phyllite Precambrian programme quartz quartzite Rajmahal range Raniganj Raniganj Formation REGIONAL EXPLORATION rocks samples were collected sand sandstone scale schist seabed seam zones sections sector sedimentary sediments sequence shale shelf sillimanite Singhbhum sq km Stratigraphy strike length stromatolites sulphide surveys Talchir Formation thickness toposheet trending Upper upto valley varies veins vitrinite volcanics