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
... indicated as gravity ' lows ' . Two prominent contour trends are indicated by an east - west trend in the north over the Singhbhum Group of rocks and the Dalma volcanics and a north - south trend over the I. O. G. to the west of ...
... indicated as gravity ' lows ' . Two prominent contour trends are indicated by an east - west trend in the north over the Singhbhum Group of rocks and the Dalma volcanics and a north - south trend over the I. O. G. to the west of ...
Page 177
... indicated in some grains where a number of superimposition of structures indicates interplay of different environments . These microfeatures indicate the resultant effect of environmental condition and are more abundant in the well ...
... indicated in some grains where a number of superimposition of structures indicates interplay of different environments . These microfeatures indicate the resultant effect of environmental condition and are more abundant in the well ...
Page 185
... indicate alternating sequence of fine sand and silt with clay suggesting prevalance of warm & cold conditions alternately . A ... indicated , within which presence of submerged ridges can be observed , sometimes corroborated by magnetic ...
... indicate alternating sequence of fine sand and silt with clay suggesting prevalance of warm & cold conditions alternately . A ... indicated , within which presence of submerged ridges can be observed , sometimes corroborated by magnetic ...
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