Records of the Geological Survey of India, Volume 124, Part 1The Survey, 1999 - 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 77
... core of three completed regional test boreholes did not re- veal any significant scheelite mineralisation . In Ranbori Block A and C , drilling in ( 11 inclined boreholes totalling 2360.45m ) was completed and 715 core samples were ...
... core of three completed regional test boreholes did not re- veal any significant scheelite mineralisation . In Ranbori Block A and C , drilling in ( 11 inclined boreholes totalling 2360.45m ) was completed and 715 core samples were ...
Page 186
... core of the dam can be tied to a clay - shale band in the Khad and right abutment portion to increase the path of percolation . A borrow area for the impervious clay core has been selected downstream of the dam axis , and blending of ...
... core of the dam can be tied to a clay - shale band in the Khad and right abutment portion to increase the path of percolation . A borrow area for the impervious clay core has been selected downstream of the dam axis , and blending of ...
Page 246
... core logging at the weir site indicated a 5 to 7 m thick intensely mylonitised zone in charnockite near the right bank and extending down- stream . To avoid this zone in the bucket position , shifting of the weir site about the 10m ...
... core logging at the weir site indicated a 5 to 7 m thick intensely mylonitised zone in charnockite near the right bank and extending down- stream . To avoid this zone in the bucket position , shifting of the weir site about the 10m ...
Contents
AIRBORNE MINERAL SURVEYS EXPLORATION WING 28 | 28 |
MARINE WING 4757 | 47 |
CENTRAL REGION 5889 | 58 |
Copyright | |
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alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin bed rock Bihar biotite block boreholes carried chalcopyrite charnockite clay coal seams coalfield Construction stage core covering deposits depth Director Geologist district Code DIVISION Headquarters drilling dykes excavation exploration exposed Formation foundation geochemical geological investigation geological mapping Geologist Jr geophysical Geophysicist geotechnical investigation gneiss gold Gondwana grained granite granite gneiss granitoids Group holes indicated km long Kumar limestone line km located logging migmatite mineral mineralisation occurs Orissa pegmatite phyllite power house Pradesh Precambrian project envisages construction quartz quartz veins quartzite Quaternary Rajasthan Raniganj river rock types samples were collected sand sandstone scale schist schist belt sediments shale shear zone Shri A. K. Singhbhum spillway sq km sq km area stage geotechnical investigation strike length studies sulphide Supergroup surface surveys thick tion Toposheet traverse trending tunnel upto volcanics West Bengal