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 307
... anomalies of low to moderate intensity and gradient as well as low frequency and amplitude . A prominent potassium anomaly zone coinciding with total count and Th anomalies occurs near Thirukkoyilur over coarse grained porphyritic pink ...
... anomalies of low to moderate intensity and gradient as well as low frequency and amplitude . A prominent potassium anomaly zone coinciding with total count and Th anomalies occurs near Thirukkoyilur over coarse grained porphyritic pink ...
Page 310
... 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 charhockite and A / 6 on flight line 28 in pink granite ) traces of Sulphides ...
... 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 charhockite and A / 6 on flight line 28 in pink granite ) traces of Sulphides ...
Page 321
... anomalies were checked and 34 Uranium samples were collected from the areas of Uranium anomaly . The causative factors of the aero - geophysical anoma- lies are as follows : 1 ) The magnetic anomalies are reflected on the banded iron ...
... anomalies were checked and 34 Uranium samples were collected from the areas of Uranium anomaly . The causative factors of the aero - geophysical anoma- lies are as follows : 1 ) The magnetic anomalies are reflected on the banded iron ...
Contents
Overview of the DirectorinCharge | 107 |
East Coast DivisionII 117 | 117 |
West coast Division 127134 | 127 |
Copyright | |
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Common terms and phrases
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