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 179
... volcanic rock . The mineralisation is in the form of disseminations , fracture filling and massive types of stratabound nature . Exploratory drilling in the area commenced SCALE 080460 3204 85 WALI MBX - 8 ME MBK - 2 66 3/0 THUTAN TAN ...
... volcanic rock . The mineralisation is in the form of disseminations , fracture filling and massive types of stratabound nature . Exploratory drilling in the area commenced SCALE 080460 3204 85 WALI MBX - 8 ME MBK - 2 66 3/0 THUTAN TAN ...
Page 188
... volcanic , ( c ) Schistose , d ) Volcanic breccia , e ) Vesicular ( both volcanics are further emplaced concordantly by the intrusives of pyrox- enite , carbonate ( carbonatite ? ) , silicified bodies and subvolcanic slivers of acid to ...
... volcanic , ( c ) Schistose , d ) Volcanic breccia , e ) Vesicular ( both volcanics are further emplaced concordantly by the intrusives of pyrox- enite , carbonate ( carbonatite ? ) , silicified bodies and subvolcanic slivers of acid to ...
Page 260
... Volcanic Formation with a stratigraphic break . The Rajmahal volcanic Formation is represented by basaltic flows , punctuated with inter - trappean sediments . A maxi- mum number of five flows have been encountered in different ...
... Volcanic Formation with a stratigraphic break . The Rajmahal volcanic Formation is represented by basaltic flows , punctuated with inter - trappean sediments . A maxi- mum number of five flows have been encountered in different ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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Common terms and phrases
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