Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1991 - 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 39
... fold patterns . Identifiable rock groups comprise Amgaon / Balaghat gueissic complex ; Bailadila Iron Ore Group ... folds ; ( ix ) Khairagarh Group essentially comprise alternate volcanic - sedimen- tary sequences and folded along ...
... fold patterns . Identifiable rock groups comprise Amgaon / Balaghat gueissic complex ; Bailadila Iron Ore Group ... folds ; ( ix ) Khairagarh Group essentially comprise alternate volcanic - sedimen- tary sequences and folded along ...
Page 118
... folded by F , folds and the indivisual grains are arranged parallel to the axial plane of F , fold , the crystallisation of scheelite is considered to by synkinematic with F , folding . The tungsten might have been deposited in the ...
... folded by F , folds and the indivisual grains are arranged parallel to the axial plane of F , fold , the crystallisation of scheelite is considered to by synkinematic with F , folding . The tungsten might have been deposited in the ...
Page 134
... folds ( F ) having long attenuated limbs and thick subangular hinges . The F , folds plunge towards N 30 ° E as well as S 40 ° W at 20 ° to 30 ° The D , deformational event affected all pre - exist- ing planar structures ( S , and S ...
... folds ( F ) having long attenuated limbs and thick subangular hinges . The F , folds plunge towards N 30 ° E as well as S 40 ° W at 20 ° to 30 ° The D , deformational event affected all pre - exist- ing planar structures ( S , and S ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Formation BARREN MEASURES FORMATION basement basin Bhutan block boreholes carbonaceous Central chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament MADHYA PRADESH magnetic magnetite medium metamorphism migmatite million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km Stratigraphy strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone