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 20
... GRANITE GNEISS COMPLEX ( Code No. RP / - / Geochron - CHQ / BHR / 87 / 13 ) A. K. Mallik , S. N. Gupta , T. Ray Barman Geochronology and Isotope Geology Division GEOCHEMICAL AND Rb / Sr ISOTOPIC STUDIES ON SELECTED GRANITE. Field work ...
... GRANITE GNEISS COMPLEX ( Code No. RP / - / Geochron - CHQ / BHR / 87 / 13 ) A. K. Mallik , S. N. Gupta , T. Ray Barman Geochronology and Isotope Geology Division GEOCHEMICAL AND Rb / Sr ISOTOPIC STUDIES ON SELECTED GRANITE. Field work ...
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... GRANITE : A POST - COLLISIONAL PERALUMINOUS PLUTON FROM. crystals slightly rounded at pyramidal edges and having a ... granite ( 2359 +40 Ma , ' Sr = 0.7089 ) , IIa . Coarse to medium grained pink granite and related porphyritic vari ...
... GRANITE : A POST - COLLISIONAL PERALUMINOUS PLUTON FROM. crystals slightly rounded at pyramidal edges and having a ... granite ( 2359 +40 Ma , ' Sr = 0.7089 ) , IIa . Coarse to medium grained pink granite and related porphyritic vari ...
Page 22
... granite . They concluded the Gaik granite to be of Permian age and the Tertiary ages from Gaik granite to represent time of isotopic re - equilibration during Himalayan oro- geny . Petrographically the Gaik granite comprises coarse ...
... granite . They concluded the Gaik granite to be of Permian age and the Tertiary ages from Gaik granite to represent time of isotopic re - equilibration during Himalayan oro- geny . Petrographically the Gaik granite comprises coarse ...
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