Records of the Geological Survey of India, Volume 114, Part 1The Survey, 1986 - 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 1
... Grade 0.5 3 4 2.5 % to 5 % ZN . ( a ) Sindeswarkalan ( b ) Mohanpur North 70 ( tentative ) 50 " 2.13 % Zn 0.51 % Pb 3 ... grade Inferior grade The exploratory work for coal consisted of systematic geological mapping GEOLOGY DIVISION.
... Grade 0.5 3 4 2.5 % to 5 % ZN . ( a ) Sindeswarkalan ( b ) Mohanpur North 70 ( tentative ) 50 " 2.13 % Zn 0.51 % Pb 3 ... grade Inferior grade The exploratory work for coal consisted of systematic geological mapping GEOLOGY DIVISION.
Page 150
... grade is metallurgical , but at the central part where the thicknes is more , the ore is of charge chrome grade . In the eastern part , the ore bodies are disconnected and pinch at depth . The average thickness is 12'm and the average grade ...
... grade is metallurgical , but at the central part where the thicknes is more , the ore is of charge chrome grade . In the eastern part , the ore bodies are disconnected and pinch at depth . The average thickness is 12'm and the average grade ...
Page 324
... grade varies from R. L. 364.5 m to R. L. 369.5 m involving further excavation of 1 to 10 m to reach the tentative foundation grade decided on earlier drilling data . It has been observed that in block Nos . 28 to 31 there is a scope for ...
... grade varies from R. L. 364.5 m to R. L. 369.5 m involving further excavation of 1 to 10 m to reach the tentative foundation grade decided on earlier drilling data . It has been observed that in block Nos . 28 to 31 there is a scope for ...
Contents
GEOLOGY DIVISION | 1 |
OFFSHORE MINERAL EXPLORATION MARINE GEOLOGY DIVISION | 48 |
DIVISION OF REGIONAL INTEGRATED SURVEY | 82 |
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Common terms and phrases
abutment alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bed rock belt Bihar biotite block boreholes carried chalcopyrite charnockite chemical clay coalfield comprising core covering an area Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes envisages excavation exploration exposed fault foliation Formation geochemical geological investigation geological mapping Geologist geotechnical investigation gneiss Gondwana grade granite gneiss grey Group Headquarters Hydel Project indicated intruded Jammu Karnataka km long Laboratory laterite limestone line km lineaments located logging Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone slate soil spillway sq km Srivastava strike length studies sulphide thickness tion tonnes toposheet trending tunnel upto valley varying volcanics width