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 80
... lower zones ) separated from each other by a zone of phyllite and / or quartzite have been demarcated ( Plate - 1 ... lower limestone zones have been completed and work on the middle zone is in progress . The weighted average composition ...
... lower zones ) separated from each other by a zone of phyllite and / or quartzite have been demarcated ( Plate - 1 ... lower limestone zones have been completed and work on the middle zone is in progress . The weighted average composition ...
Page 169
... lower part is dominatly represented by coarse to very coarse pebbly sandstone and conglomerate . A gradual predominance of coarse clastics in the lower Barakar with deterioration in quality and gradual thinning of lower coal seams ...
... lower part is dominatly represented by coarse to very coarse pebbly sandstone and conglomerate . A gradual predominance of coarse clastics in the lower Barakar with deterioration in quality and gradual thinning of lower coal seams ...
Page 187
... lower Gondwana Group . ( Plate III ) An area of 145 sq km was mapped within the latitudes 21 ° 53'45 " - 22 ° 00'00 " N and longitudes 83 ° 38'30 " - 83 ° 45'00 " E of Survey of India , toposheet No. 640/9 . The lower Gondwana lithic ...
... lower Gondwana Group . ( Plate III ) An area of 145 sq km was mapped within the latitudes 21 ° 53'45 " - 22 ° 00'00 " N and longitudes 83 ° 38'30 " - 83 ° 45'00 " E of Survey of India , toposheet No. 640/9 . The lower Gondwana lithic ...
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