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 125
... represented by granites and gneisses , dolerite dykes , quartz veins with enclaves of metabasics , ultrabasics and schists . Both Cuddapah and Kurnool Groups are represented by sedimentary rocks . The gneisses show foliation strike NNE ...
... represented by granites and gneisses , dolerite dykes , quartz veins with enclaves of metabasics , ultrabasics and schists . Both Cuddapah and Kurnool Groups are represented by sedimentary rocks . The gneisses show foliation strike NNE ...
Page 169
... represented by granite , granite gneiss and veins of quartz and pegmatites . Talchir Formation ( inter- sected only in boreholes ) is seen to be represented by coarse grained , greyish white sandstone , boulder beds ( boulders are ...
... represented by granite , granite gneiss and veins of quartz and pegmatites . Talchir Formation ( inter- sected only in boreholes ) is seen to be represented by coarse grained , greyish white sandstone , boulder beds ( boulders are ...
Page 178
... represented by a monotonous dark grey to black shale ( at places showing burrow markings ) with a number of Iron- Stone bands . The Barakar Formation is found to be around 650m thick in this area and generally rep- resented by coarser ...
... represented by a monotonous dark grey to black shale ( at places showing burrow markings ) with a number of Iron- Stone bands . The Barakar Formation is found to be around 650m thick in this area and generally rep- resented by coarser ...
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