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 121
... bands and lenses of coal exposed on surface have been mapped on 1 : 2,000 scale covering an area of about 0.1 sq km . From the surface and sub- surface data , two main coal hoirzons - ' A ' and B ( Plate - 1 ) have been identified in ...
... bands and lenses of coal exposed on surface have been mapped on 1 : 2,000 scale covering an area of about 0.1 sq km . From the surface and sub- surface data , two main coal hoirzons - ' A ' and B ( Plate - 1 ) have been identified in ...
Page 125
... bands in both the areas represent different limbs of a folded sequ- ence . The arenocalcareous rocks of Manas Forma- tion containing these limestone bands alternating with quartzite may be distinguished as Kurung Member in this area in ...
... bands in both the areas represent different limbs of a folded sequ- ence . The arenocalcareous rocks of Manas Forma- tion containing these limestone bands alternating with quartzite may be distinguished as Kurung Member in this area in ...
Page 154
... bands alternate with greenish slaty shale , arenaceous phyllite and chloritic phyllite . A thin band of carbonate ... bands gradually pinches out . Due to the tight , isoclinal fold patterns the bands are repeated in the form number of ...
... bands alternate with greenish slaty shale , arenaceous phyllite and chloritic phyllite . A thin band of carbonate ... bands gradually pinches out . Due to the tight , isoclinal fold patterns the bands are repeated in the form number of ...
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