Records of the Geological Survey of India, Volume 121, Part 1The Survey, 1991 - 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 63
... coal & lignite and assessment of the reserves on a National level is the function of GSI . In the quest for search of coal , concrete efforts are being made to locate thicker seams at shallower depth in operational coalfields , so that ...
... coal & lignite and assessment of the reserves on a National level is the function of GSI . In the quest for search of coal , concrete efforts are being made to locate thicker seams at shallower depth in operational coalfields , so that ...
Page 66
... coal has been estimated . The coal can be categorised as Class - II coal . R. N. Das was associated with this investigation . ( ii ) Regional Exploration by Drilling for Coal in Andal- Palashban Sector , Raniganj Coalfield ( 23 34 ...
... coal has been estimated . The coal can be categorised as Class - II coal . R. N. Das was associated with this investigation . ( ii ) Regional Exploration by Drilling for Coal in Andal- Palashban Sector , Raniganj Coalfield ( 23 34 ...
Page 68
... coal was continued in Patratu section ( 23 ° 40 ' - 85 ° 13 ' - 19 ' , 73E / 2 & 6 in order to explore the extension of coal seam and to establish correlation and assess potentiality and to search for coking and medium coking coal . A ...
... coal was continued in Patratu section ( 23 ° 40 ' - 85 ° 13 ' - 19 ' , 73E / 2 & 6 in order to explore the extension of coal seam and to establish correlation and assess potentiality and to search for coking and medium coking coal . A ...
Contents
INTRODUCTION | 1 |
AIRBORNE MINERAL SURVEYS EXPLORATION WING | 44 |
OPERATION BIHAR | 135 |
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alignment analysis Andhra Pradesh anomaly arca assess Asstt bands basalt basin Bihar biotite block boreholes carried chalcopyrite charnockite chemical clay coal coalfield comprising Construction stage covering an area Deccan Trap delineated deposits depth district DIVISION Director DIVISION-I Divn drill cores dykes Economic Geology evaluation exploration exposed field season Formation fossils geochemical geological investigations geological mapping Geologist Jr GEOLOGY DIVISION geomorphological geophysical surveys Geophysicist geotechnical investigation Ghosh gneiss Gondwana granite granite gneiss Group indicated investigation was taken Karnataka km was covered Kumar laboratory limestone located logging magnetic Maharashtra migmatites mineral mineralisation occur Orissa pegmatite Petrology phyllite power house programme proposed quartz quartzite Quaternary Rajasthan Regional Geology river rock types S/Shri samples were collected sandstone scale schist schist belt seams sediments sequence shale Shri Singh Siwalik spillway sq km Srivastava strike length studies suggested sulphide surface thickness toposheet trending tunnel upto Uttar Pradesh