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 68
... seams , ranging in thickness from 0.60m to 23.97m was recorded within the depth range of 68.05m and 748.00m Of the Seams intersected in these two borcholes , 12 regionally correlatable scams identified from base to top are Argada C ...
... seams , ranging in thickness from 0.60m to 23.97m was recorded within the depth range of 68.05m and 748.00m Of the Seams intersected in these two borcholes , 12 regionally correlatable scams identified from base to top are Argada C ...
Page 71
... seams , which are correlatable with the A to F seams of the eastern part of the coalfield , were recorded with thickness varying from 4.31m to 27.45m within the depth range of 33.50m and 235.86m In addition to the above seams ...
... seams , which are correlatable with the A to F seams of the eastern part of the coalfield , were recorded with thickness varying from 4.31m to 27.45m within the depth range of 33.50m and 235.86m In addition to the above seams ...
Page 73
... seams ( mainly seam Nos . III & IV ) occur in split sections as indicated in four boreholes ( SPB - 7 , 9 , 10 and 13 ) . In the southernside , the Seams I , II & IV indicate a tendency of improving in quality . The Seams I , II , III ...
... seams ( mainly seam Nos . III & IV ) occur in split sections as indicated in four boreholes ( SPB - 7 , 9 , 10 and 13 ) . In the southernside , the Seams I , II & IV indicate a tendency of improving in quality . The Seams I , II , III ...
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