Records of the Geological Survey of India, Volume 123, Part 2The Survey, 1990 - 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 18
... Eastern Ghat Mobile Belt . Alkaline magmatic activity is a significant component in the belt . The Rb - Sr whole rock age of ca 850 Ma on the Koraput syenite establishes the episodic nature of alkaline magmatism in the Eastern Ghats ...
... Eastern Ghat Mobile Belt . Alkaline magmatic activity is a significant component in the belt . The Rb - Sr whole rock age of ca 850 Ma on the Koraput syenite establishes the episodic nature of alkaline magmatism in the Eastern Ghats ...
Page 29
... Eastern Ghats belt , appear to be broadly interrelated ( Sarkar et al . , op . cit . ) . REFERENCES : Bose , M. K. ( 1970 ) . Petrology of the intrusive alkalic suite of Koraput , Orissa , Jour , Geol , Soc , Ind . , 11 , 99-126 ...
... Eastern Ghats belt , appear to be broadly interrelated ( Sarkar et al . , op . cit . ) . REFERENCES : Bose , M. K. ( 1970 ) . Petrology of the intrusive alkalic suite of Koraput , Orissa , Jour , Geol , Soc , Ind . , 11 , 99-126 ...
Page
... Eastern Region Extended Abstracts of Progress Reports of Southern Region Extended Abstracts of Progress Reports of ... Eastern Region : Northern Region : Southern Region : 12A & B , Russel Street , Calcutta 700 071 GSI Complex , Sector E ...
... Eastern Region Extended Abstracts of Progress Reports of Southern Region Extended Abstracts of Progress Reports of ... Eastern Region : Northern Region : Southern Region : 12A & B , Russel Street , Calcutta 700 071 GSI Complex , Sector E ...
Contents
Geochronology and Isotope Geology Division 1833 | 18 |
Central Petrological Laboratories 4450 | 44 |
Central Geophysics Division 5168 | 50 |
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aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies Argada bands Barakar Barakar Formation Barren Measures Formation basin Bhutan BIHAR block boreholes Calcutta Central chalcopyrite chemical clay coal seams Coal Wing copper cores correlation cruise depth developed DISTRICT dolomite dykes east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP Geophysics Division gneisses GODAVARI VALLEY Gondwana grade grained granite gneiss grey GROUND EVALUATION heavy mineral horizon India indicated intersected isotopic Kamthi Formation Karnataka lignite limestone located MADHYA PRADESH mafic magnetic Marine Wing metamorphic migmatites million tonnes mineralisation NW-SE occur Orissa phyllite PRADESH Code Precambrian quartz quartzite range Raniganj REGIONAL EXPLORATION revealed samples sand sandstone scale schist seam zones sector sediments seismic sequence shale sq km sulphide surface surveys TALCHIR FORMATION thickness tion toposheet trending upto VALLEY COALFIELD varying vibrocores volcanics WEST BENGAL whole rock zone