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 68
... hills . About 215 tonnes of pebbly sandstone , col- lected from two bands in Devudukonda area were processed . Though ... hill ranges on the east . The area is underlain by Cuddapah rocks which are mainly represented by phyllite and ...
... hills . About 215 tonnes of pebbly sandstone , col- lected from two bands in Devudukonda area were processed . Though ... hill ranges on the east . The area is underlain by Cuddapah rocks which are mainly represented by phyllite and ...
Page 217
... hill range . Several uprooted trees were also found by them in and around the nala . Detailed geological studies carried out indicated that recent erosion , down cutting and widening of the nala occurred on a much larger scale when ...
... hill range . Several uprooted trees were also found by them in and around the nala . Detailed geological studies carried out indicated that recent erosion , down cutting and widening of the nala occurred on a much larger scale when ...
Page 289
... hill in the area south- west of Alangayam ( Plate - 1 ) . The quartz - barytes veins are the carriers of galena , pyrite and molybdenum mineralisation and the country rock epidote -hornblende gneiss is also to some extent mineralised ...
... hill in the area south- west of Alangayam ( Plate - 1 ) . The quartz - barytes veins are the carriers of galena , pyrite and molybdenum mineralisation and the country rock epidote -hornblende gneiss is also to some extent mineralised ...
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