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 209
... dolerites at RL 411 m and grey granites around RL 400 m suitable as foundations are met with . Grey granites and biotite gneiss are generally massive with a very few discontinuous and tight joints . On the other hand , dolerite exposed ...
... dolerites at RL 411 m and grey granites around RL 400 m suitable as foundations are met with . Grey granites and biotite gneiss are generally massive with a very few discontinuous and tight joints . On the other hand , dolerite exposed ...
Page 214
... dolerite are the rock formations in the area . 3 - D geological mapping and a critical evalu- ation of part of the head - race tunnel ( ch.15 to 198 mand 340 to 375 m ) , draft tube and part of tail - race tunnel ( ch.591 to 718 m ) ...
... dolerite are the rock formations in the area . 3 - D geological mapping and a critical evalu- ation of part of the head - race tunnel ( ch.15 to 198 mand 340 to 375 m ) , draft tube and part of tail - race tunnel ( ch.591 to 718 m ) ...
Page 309
... dolerites 5. Medium - to coarse- grained dolerites Trend NW - SE and to WNW - ESE and Sills within Cuddapah Basin ( Based on previous work ) Porphyritic dolerites Dolerite ( ophitic , picrodolerite , quartz dolerite ) NNE - SSW Fresh ...
... dolerites 5. Medium - to coarse- grained dolerites Trend NW - SE and to WNW - ESE and Sills within Cuddapah Basin ( Based on previous work ) Porphyritic dolerites Dolerite ( ophitic , picrodolerite , quartz dolerite ) NNE - SSW Fresh ...
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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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