Records of the Geological Survey of India, Volume 123, Part 5The Survey, 1988 - 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 207
... reach . The strike of foliation of the rock type is NE - SW and the dip is vertical . Twelve boreholes drilled in the spillway region indicated that the thickness of overburden consisting of brown sandy soil varies from 1.26 to 8.0 m ...
... reach . The strike of foliation of the rock type is NE - SW and the dip is vertical . Twelve boreholes drilled in the spillway region indicated that the thickness of overburden consisting of brown sandy soil varies from 1.26 to 8.0 m ...
Page 211
... reach indicated ( RD 672.5 m to RD 717.5m ) depth to fresh and hard rock suitable for laying the foun- dations of the spillway varying from 2.4 to 9.8 m . In view of the deep cutting involved to reach the fresh rock and about 200 m long ...
... reach indicated ( RD 672.5 m to RD 717.5m ) depth to fresh and hard rock suitable for laying the foun- dations of the spillway varying from 2.4 to 9.8 m . In view of the deep cutting involved to reach the fresh rock and about 200 m long ...
Page 241
... reach of power tunnel alignment alternative - I and were logged . BH - 251 and BH - 252 drilled near the inlet end revealed bedrock at a depth of 24 to 27 m indicat- ing a suitable site for locating the inlet portal only around ch.50 m ...
... reach of power tunnel alignment alternative - I and were logged . BH - 251 and BH - 252 drilled near the inlet end revealed bedrock at a depth of 24 to 27 m indicat- ing a suitable site for locating the inlet portal only around ch.50 m ...
Contents
Geotechnical studies of the cutoff trench between RD 418 and 918 M PVB Reservoir | 185 |
A geotechnical note of the Pedaballi dam foundations Anantapur district Andhra Pradesh | 191 |
A geotechnical note on the Yeleru Project under construction in East Godavari | 197 |
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Common terms and phrases
alignment alkali feldspar amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH ANDHRA PRADESH CODE Archaean bands basin biotite block boreholes charnockite charnockite gneiss clay coarse-grained conglomerate Cuddapah depth Dharwar dips DISTRICT dolerite dolerite dykes drilled earth dam emplacement enclaves exposed fault feldspar field season flank folds foliation Formation fractured fresh rock g/t gold gabbro garnetiferous GEOLOGICAL MAP geophysical GEOTECHNICAL gneiss Gondwana granite granite gneiss granitoids granodiorite granulite grey granite grouting hornblende indicated intrusive joints KARNATAKA KERALA kimberlite laterite limestone lithounits located lode magnetite metabasalt metabasite migmatite mineralised zone minerals NE-SW NW-SE occur overburden pediplain pegmatite Peninsular Gneissic Complex phyllites pink granite plagioclase power house pyrite pyroxenite quartz quartz veins quartzite river rock types samples sandstone scale schist schist belt sediments shear zone soil spillway sq km strike length studies sulphide surface surveys syenite TAMIL NADU thickness tonalite Toposheet traversed trench trending tunnel ultramafic upto weathered width