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 167
... associated with tonalite gneiss , and bears imprints of al least three phases of deformation . ( 3 ) A prominent linear N - S trending ductile shear zone has been mapped near the eastern margin of the Sakoli basin . ( 4 ) The geological ...
... associated with tonalite gneiss , and bears imprints of al least three phases of deformation . ( 3 ) A prominent linear N - S trending ductile shear zone has been mapped near the eastern margin of the Sakoli basin . ( 4 ) The geological ...
Page 168
... associated geochemical anomalies . A total of 216.30 m of drilling has been completed in one borehole . Significant mineralisation was intersected in two zones in the area where the investigation is in progress . In Madhya Pradesh , the ...
... associated geochemical anomalies . A total of 216.30 m of drilling has been completed in one borehole . Significant mineralisation was intersected in two zones in the area where the investigation is in progress . In Madhya Pradesh , the ...
Page 179
... associated minerals along with gangue minerals viz . quartz , garnet , feldspar and mica . A reserve of 0.747 million tonnes of 1.84 % Cu for an average width of 4.58m at 0.4 % cut off or 0.469 million tonnes of 2.74 % Cu for an average ...
... associated minerals along with gangue minerals viz . quartz , garnet , feldspar and mica . A reserve of 0.747 million tonnes of 1.84 % Cu for an average width of 4.58m at 0.4 % cut off or 0.469 million tonnes of 2.74 % Cu for an average ...
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