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
... zones ( designated as upper , middle and lower zones ) separated from each other by a zone of phyllite and / or quartzite have been demarcated ( Plate - 1 next page ) . An area of 0.13 sq km has been mapped on 1 : 1,000 scale with 5m ...
... zones ( designated as upper , middle and lower zones ) separated from each other by a zone of phyllite and / or quartzite have been demarcated ( Plate - 1 next page ) . An area of 0.13 sq km has been mapped on 1 : 1,000 scale with 5m ...
Page 227
... zones of 4.75 m and 6.85 m thickness have been intersected in GAV - 4 at 133.21 m and 315.50 m depths respectively . These zones are essentially carbonaceous shales containing thin coal bands of no economic significance . Critical ...
... zones of 4.75 m and 6.85 m thickness have been intersected in GAV - 4 at 133.21 m and 315.50 m depths respectively . These zones are essentially carbonaceous shales containing thin coal bands of no economic significance . Critical ...
Page 310
... zone between mig- matites in the east and charnockite in the west . EM ANOMALY ZONES : Seventy eight in - phase E. M. anomalies were field checked . Of these anoma- lles only in two E. M. anomalies ( C / 4 on flight line 12 in ...
... zone between mig- matites in the east and charnockite in the west . EM ANOMALY ZONES : Seventy eight in - phase E. M. anomalies were field checked . Of these anoma- lles only in two E. M. anomalies ( C / 4 on flight line 12 in ...
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