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 191
... river section , the thickness of over- burden has been proved by drilling to be 32.90m . Drill hole No DH - 6 , on the left bank upstream of dam axis at sand bar , has proved 24m thick column of sand . The stripping limit , as ...
... river section , the thickness of over- burden has been proved by drilling to be 32.90m . Drill hole No DH - 6 , on the left bank upstream of dam axis at sand bar , has proved 24m thick column of sand . The stripping limit , as ...
Page 194
... river section is of the order of 10 to 12 m . The bed rock is purplish to pinkish - white , medium to coarse grained quartzite ( Garhwal Group ) . The permeability of the rock , determined by cyclic water percolation test , varies from ...
... river section is of the order of 10 to 12 m . The bed rock is purplish to pinkish - white , medium to coarse grained quartzite ( Garhwal Group ) . The permeability of the rock , determined by cyclic water percolation test , varies from ...
Page 196
... river . It has gone through river borne material up to 21.33 m depth and , thereafter , through mica schist . Drill hole DH - 2 has been drilled up to a depth of 32 m in river borne material on the right bank of the river . Drill ...
... river . It has gone through river borne material up to 21.33 m depth and , thereafter , through mica schist . Drill hole DH - 2 has been drilled up to a depth of 32 m in river borne material on the right bank of the river . Drill ...
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