Records of the Geological Survey of India, Volume 135, Parts 4-5Government of India, 2000 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 129
... thick RCC lining was provided for fair and good rock reaches . In addition , 80 mm x 150 mm steel rib supports at 1 m spacing and rock bolts with 25 mm diametre and 4 m length at 2 m center to center were provided in the staggered ...
... thick RCC lining was provided for fair and good rock reaches . In addition , 80 mm x 150 mm steel rib supports at 1 m spacing and rock bolts with 25 mm diametre and 4 m length at 2 m center to center were provided in the staggered ...
Page 132
... thick overburden material . Hence , the aqueduct will have to be suitably designed over the alluvium . An aqueduct is proposed across the Vegavathi River , where the canal crosses the river at 41.100 km . The river has a wide bed at the ...
... thick overburden material . Hence , the aqueduct will have to be suitably designed over the alluvium . An aqueduct is proposed across the Vegavathi River , where the canal crosses the river at 41.100 km . The river has a wide bed at the ...
Page 139
... thick sandy soil . Eight boreholes , drilled along the proposed earth dam alignment , indicate 5 m to 13 m thick overburden , which increases to 21 m towards ch 4400 m , pointing to a possible buried stream course . The overburden ...
... thick sandy soil . Eight boreholes , drilled along the proposed earth dam alignment , indicate 5 m to 13 m thick overburden , which increases to 21 m towards ch 4400 m , pointing to a possible buried stream course . The overburden ...
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alignment alluvium amphibolite Andhra Pradesh Arunachal Pradesh Assam bands Basin bedrock biotite block boreholes Brahmaputra carried charnockite Chitradurga clay contour Cuddapah depth district drilled dykes east eastern excavation fault flood plain folds foliation Formation foundation fractures geoenvironmental geological mapping Geotechnical Investigation gneiss gold mineralisation gold values granite granite gneiss granulite gravity grey ground water Group hills indicated joints Karnataka Kerala khondalite kimberlite Krishna Kurnool lamproite limestone lineament located magnetic Meghalaya metabasalt migmatite mineral Mizoram NE-SW NW-SE occur pegmatite Peninsular Gneissic Complex penstock phyllite pink powerhouse Project proposed quartz quartz veins quartzite Quaternary regional river rock samples sand sandstone scale schist belt Serchhip shale shear zone slope soil southern Specialised Thematic Mapping sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structural studies sulphide surface surveys Tamil Nadu terrain thick toposheets traversed trench trending tunnel valley village weathered width के