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 47
... veins intruded in the rocks of Mangalwar Complex of Bhilwara Super - group . The rocks of this complex are tonalitic gneiss , schist of greenschist facies , amphibolites and cherts . A late phase of granitic intrusion has taken place in ...
... veins intruded in the rocks of Mangalwar Complex of Bhilwara Super - group . The rocks of this complex are tonalitic gneiss , schist of greenschist facies , amphibolites and cherts . A late phase of granitic intrusion has taken place in ...
Page 48
... veins within types ( 1 ) & ( ii ) and appears to be later than the other phase . ( iv ) Deep pink to reddish , coarse grained , K- feldspar rich granite with very little mafic phases occurring as patches and veins in types ( i ) but is ...
... veins within types ( 1 ) & ( ii ) and appears to be later than the other phase . ( iv ) Deep pink to reddish , coarse grained , K- feldspar rich granite with very little mafic phases occurring as patches and veins in types ( i ) but is ...
Page 349
... veins carrying basemetal mineralisation at a number of locations emplaced along ENE - WSW , NW - SE & N - S fault planes , expressed by aeromagnetic linear anomalies and discontinuities , within the Bijawar formations and the older ...
... veins carrying basemetal mineralisation at a number of locations emplaced along ENE - WSW , NW - SE & N - S fault planes , expressed by aeromagnetic linear anomalies and discontinuities , within the Bijawar formations and the older ...
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