Records of the Geological Survey of India, Volume 123, Part 2The Survey, 1990 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 20
... extension of the Trans - Himalayan belt and the associated Tiding ultramafics is the extension of the Indus - Tsangpo ophiolites . The younger leucogranites of Mishmi Complex are typically represented by muscovite granites which are ...
... extension of the Trans - Himalayan belt and the associated Tiding ultramafics is the extension of the Indus - Tsangpo ophiolites . The younger leucogranites of Mishmi Complex are typically represented by muscovite granites which are ...
Page 30
... extension and rifting in the northern margin of the Gondwanaland in late Paleo- zoic and early Mesozoic . Continued extension re- sulted in the opening of Neo - Tethys . The Neo- Tethyan basin was consumed by subduction along the Indus ...
... extension and rifting in the northern margin of the Gondwanaland in late Paleo- zoic and early Mesozoic . Continued extension re- sulted in the opening of Neo - Tethys . The Neo- Tethyan basin was consumed by subduction along the Indus ...
Page 166
... extension of five regional coal seam having coking propensity has further been extended over a length of 2 km . Of these , Seam IV , lower section of Seam III , Seam II and Seam I are of superior quality having 13.2 % to 18.8 % ash ...
... extension of five regional coal seam having coking propensity has further been extended over a length of 2 km . Of these , Seam IV , lower section of Seam III , Seam II and Seam I are of superior quality having 13.2 % to 18.8 % ash ...
Contents
Geochronology and Isotope Geology Division 1833 | 18 |
Central Petrological Laboratories 4450 | 44 |
Central Geophysics Division 5168 | 50 |
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aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies Argada bands Barakar Barakar Formation Barren Measures Formation basin Bhutan BIHAR block boreholes Calcutta Central chalcopyrite chemical clay coal seams Coal Wing copper cores correlation cruise depth developed DISTRICT dolomite dykes east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP Geophysics Division gneisses GODAVARI VALLEY Gondwana grade grained granite gneiss grey GROUND EVALUATION heavy mineral horizon India indicated intersected isotopic Kamthi Formation Karnataka lignite limestone located MADHYA PRADESH mafic magnetic Marine Wing metamorphic migmatites million tonnes mineralisation NW-SE occur Orissa phyllite PRADESH Code Precambrian quartz quartzite range Raniganj REGIONAL EXPLORATION revealed samples sand sandstone scale schist seam zones sector sediments seismic sequence shale sq km sulphide surface surveys TALCHIR FORMATION thickness tion toposheet trending upto VALLEY COALFIELD varying vibrocores volcanics WEST BENGAL whole rock zone