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 120
... ANOMALIES IN PARTS OF. 1500m strike length to test the copper sulphides associated with the acidic volcanics along their hanging wall contact with the mica schist . Four adjoining boreholes established copper mineralisa- tion over an ...
... ANOMALIES IN PARTS OF. 1500m strike length to test the copper sulphides associated with the acidic volcanics along their hanging wall contact with the mica schist . Four adjoining boreholes established copper mineralisa- tion over an ...
Page 121
... ANOMALIES IN BIHAR NORTH. GSI . Rec . vol 123 , Pt - 2 Ground checking of aero - EM anomalies was con- tinued in the western part of the ENE - WSW trending early Proterozoic Mahakoshal belt ( formerly known as Bijawar belt ) also to some ...
... ANOMALIES IN BIHAR NORTH. GSI . Rec . vol 123 , Pt - 2 Ground checking of aero - EM anomalies was con- tinued in the western part of the ENE - WSW trending early Proterozoic Mahakoshal belt ( formerly known as Bijawar belt ) also to some ...
Page 131
... ANOMALIES SOUTH OF SOM RIVER. Ground evaluation of aero- Em anomalies led to the identification of the Ladana block . However , no sinificant aero - electromagnetic anomaly existed in that area except a prominent magnetic break ...
... ANOMALIES SOUTH OF SOM RIVER. Ground evaluation of aero- Em anomalies led to the identification of the Ladana block . However , no sinificant aero - electromagnetic anomaly existed in that area except a prominent magnetic break ...
Contents
Geochronology and Isotope Geology Division 1833 | 18 |
Central Petrological Laboratories 4450 | 44 |
Central Geophysics Division 5168 | 50 |
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Common terms and phrases
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