Records of the Geological Survey of India, Volume 131, Part 2The Survey, 1996 - 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 1
... Group yielded a whole rock Rb - Sr isochron of 1708 ± 10 Ma with initial Sr ratio of 0.70609 ( MSWD = 0.59 ) This sets an upper limit to the age of the Mahakoshal Group . Age from the Dudhi Granitoid of southeast U.P. at the contact of ...
... Group yielded a whole rock Rb - Sr isochron of 1708 ± 10 Ma with initial Sr ratio of 0.70609 ( MSWD = 0.59 ) This sets an upper limit to the age of the Mahakoshal Group . Age from the Dudhi Granitoid of southeast U.P. at the contact of ...
Page 11
... Group , while the upper one is represented by the Bhander Group . The Vindhyan life forms include different kinds of possible metazoan burrows and body impressions , shell bearing forms , possible ediacaran impressions , algal remains ...
... Group , while the upper one is represented by the Bhander Group . The Vindhyan life forms include different kinds of possible metazoan burrows and body impressions , shell bearing forms , possible ediacaran impressions , algal remains ...
Page 12
... GROUP. About a 1600 m thick pile of sedimentary rocks of the Proterozoic Vindhyan Supergroup resting uncomformably over the Mahakoshal Group from a conspicuous part of the Precambrian geological milieu of Satna and Sidhi districts ...
... GROUP. About a 1600 m thick pile of sedimentary rocks of the Proterozoic Vindhyan Supergroup resting uncomformably over the Mahakoshal Group from a conspicuous part of the Precambrian geological milieu of Satna and Sidhi districts ...
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aerogeophysical aeromagnetic airborne geophysical analysis anomaly assemblage Barakar Barakar coal seams Barakar Formation basin belt Bhutan Bihar biotite block borehole carbonaceous carbonatite carried chlorite clay Coalfield coarse grained Code continued covered Cruise database delineated depth district Division drilling Dzongkhag east eastern exploration for coal faults field season foliation garnet geochemical sampling geological mapping gneiss gold mineralisation Gondwana grade granite granulite grey Ground evaluation Group heavy mineral identified India indicated interpretation intersected investigation isotopic Kamthi layered lignite limestone located Madhya Pradesh mafic magnetic metamorphism multisensor Nagpur district Neoproterozoic occur Orissa OVERVIEW phyllite plagioclase programme quartz quartz veins quartzite Rajasthan range Raniganj Regional exploration sand sandstone scale schist seabed seam zones sections sector sediments sequence shale shallow shear zone shelf Singhbhum Sohagpur sq km studies Sub-project sulphide surface surveys Talchir Formation thickness Toposheet traverse trending ultramafic upto Valley values varying volcanics