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 83
... magnetic contours with few point E. M. anomalies and one Grade - III intercept . Analysis of magnetic signatures identified 17 magnetic lows ( 2710 to 2994 gammas ) and 15 magnetic highs ( 3040-3506 gammas ) . Ground evaluation could ...
... magnetic contours with few point E. M. anomalies and one Grade - III intercept . Analysis of magnetic signatures identified 17 magnetic lows ( 2710 to 2994 gammas ) and 15 magnetic highs ( 3040-3506 gammas ) . Ground evaluation could ...
Page 89
... magnetic picture of the area shows two contrasting types of magnetic patterns ; a crowded high intensity magnetic zone in the schist belt area and a rather flat with occassional linear anomalies in the gneissic area . The high intensity ...
... magnetic picture of the area shows two contrasting types of magnetic patterns ; a crowded high intensity magnetic zone in the schist belt area and a rather flat with occassional linear anomalies in the gneissic area . The high intensity ...
Page 185
... magnetic profiles exhibit a strong magnetic low with a steep slope within the shelf area in the shallow water zone . This may indicate a fault / dislocation zone running subparallel to the coast line . From a study of the bathymetric ...
... magnetic profiles exhibit a strong magnetic low with a steep slope within the shelf area in the shallow water zone . This may indicate a fault / dislocation zone running subparallel to the coast line . From a study of the bathymetric ...
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