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 53
... gravity cum magnetic survey was taken up ( a five year programme ) in parts of the area bounded between lat . 22 ° N and 23 ° N and long . 85 ° E and 87 ° E ( degree sheet nos . 73F and 73J ) to prepare comprehensive gravity and ...
... gravity cum magnetic survey was taken up ( a five year programme ) in parts of the area bounded between lat . 22 ° N and 23 ° N and long . 85 ° E and 87 ° E ( degree sheet nos . 73F and 73J ) to prepare comprehensive gravity and ...
Page 58
... gravity values ( 1967 ) lie between -28 m.gal to -46 m.gal.Gravity contours show that the basin has an east - west trend and tapering towards west . The boundary between the metamorphics and the sedimentaries ( Gondwana ) has also been ...
... gravity values ( 1967 ) lie between -28 m.gal to -46 m.gal.Gravity contours show that the basin has an east - west trend and tapering towards west . The boundary between the metamorphics and the sedimentaries ( Gondwana ) has also been ...
Page 64
... gravity map indicates a residual ' low ' around Tekadda - Labpur zone even after gravity effects of the overlying alluvium and Tertiary formation have been removed . Similar ' low ' is encountered at Jaydeb where extraordinary drilling ...
... gravity map indicates a residual ' low ' around Tekadda - Labpur zone even after gravity effects of the overlying alluvium and Tertiary formation have been removed . Similar ' low ' is encountered at Jaydeb where extraordinary drilling ...
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