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 25
... rock type in the area consist of unclassified salic gneisses , migmatitic rocks and porphyroblastic hypersthene granite ( charnockite ) .Numerous enclaves of masic granu- lites are seen in the granite gneisses . The charnockitic rocks ...
... rock type in the area consist of unclassified salic gneisses , migmatitic rocks and porphyroblastic hypersthene granite ( charnockite ) .Numerous enclaves of masic granu- lites are seen in the granite gneisses . The charnockitic rocks ...
Page 111
... rocks and the lode zones in the underground workings of Kalyadi mines to bring out a geochemical pattern laterally and depthwise . Kalyadi area consists of Peninsular gneisses with several isolated , lenticular and irregular enclaves of ...
... rocks and the lode zones in the underground workings of Kalyadi mines to bring out a geochemical pattern laterally and depthwise . Kalyadi area consists of Peninsular gneisses with several isolated , lenticular and irregular enclaves of ...
Page 118
... rocks of Archean , Bijawar and Deccan traps are exposed in the area . Rocks belonging to the Archean Super Group consist mainly of granite and granite- gneiss , with associated phyllite , quartzite , hornblende schist , chlorite schist ...
... rocks of Archean , Bijawar and Deccan traps are exposed in the area . Rocks belonging to the Archean Super Group consist mainly of granite and granite- gneiss , with associated phyllite , quartzite , hornblende schist , chlorite schist ...
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