Records of the Geological Survey of India, Volume 125, Part 2The Survey, 1992 - 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 93
... gneiss in the west , Sure Crystalline gneisses in the central part , Tashigang in the east and the main northern zone stretches in a wide area from Paro - Takhtsang and Thimphu region in the central part and Tashi Yangtsi - Sakteng area ...
... gneiss in the west , Sure Crystalline gneisses in the central part , Tashigang in the east and the main northern zone stretches in a wide area from Paro - Takhtsang and Thimphu region in the central part and Tashi Yangtsi - Sakteng area ...
Page 102
... gneiss . Migmatite . · Banded biotite gneiss , amphibolite , gar- netiferous quartzofels pathic gneisses and associated ultramafics . amphibolite , The banded biotite gneiss , quartzofelspathic gneisses are the predominant rocks exposed ...
... gneiss . Migmatite . · Banded biotite gneiss , amphibolite , gar- netiferous quartzofels pathic gneisses and associated ultramafics . amphibolite , The banded biotite gneiss , quartzofelspathic gneisses are the predominant rocks exposed ...
Page 329
... gneissic terrain . The gneisses on the western side of the Nuggihalli schist belt are more magnetic than the gneisses on the easternside . The E - W trending magnetic discontinuity in the Hole Narsipur schist belt from Heragu to ...
... gneissic terrain . The gneisses on the western side of the Nuggihalli schist belt are more magnetic than the gneisses on the easternside . The E - W trending magnetic discontinuity in the Hole Narsipur schist belt from Heragu to ...
Contents
Overview of the DirectorinCharge | 107 |
East Coast DivisionII 117 | 117 |
West coast Division 127134 | 127 |
Copyright | |
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aeromagnetic amphibolite analysis Andhra Pradesh anomalies bands Barakar Barakar Formation Barren Measures Formation basemetal basin belt Bhutan BIHAR biotite block boreholes chalcopyrite charnockite clay coal seams COALFIELD coarse grained Code copper covered deposition depth range DISTRICT Division drilling dyke east eastern EXPLORATION FOR COAL fault felsic field season folds foraminifera geochemical GEOLOGICAL MAP geophysical gneiss Gondwana grade grey Group heavy mineral horizon INDEX India indicate intersected in boreholes investigation isobath isotopic Kamthi Formation lignite limestone line km lineaments located MADHYA PRADESH magnetic magnetite Maharashtra metamorphism migmatites million tonnes mineralisation NW-SE occur Orissa phyllite plagioclase PLATE-I Precambrian quartz quartz veins quartzite Rajasthan Raniganj Raniganj Formation REGIONAL EXPLORATION rocks Saharjuri sand sandstone schist seabed seam zones sector sediments shallow shelf silty Singhbhum sq km strike length studies sulphide survey Talchir Formation tectonic thickness Thimphu toposheet trending upto varies volcanic