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 42
... represented by older metamorphites , migmatite / gneiss and granitic group of rocks . The area also shows nu- merous acid and basic intrusives and an outlier of Cuddapah Supergroup of rocks . The geological su- cession in the area is as ...
... represented by older metamorphites , migmatite / gneiss and granitic group of rocks . The area also shows nu- merous acid and basic intrusives and an outlier of Cuddapah Supergroup of rocks . The geological su- cession in the area is as ...
Page 134
... represented by tight isoclinal rootless folds on mesoscopic scale as found in magnetite quartzite and garnet - pyroxene gneiss / granulite around Perumalmalai ( 11 ° 08'30 " : 78 ° 38 ' 00 " ) . The F , folds are traced on regional ...
... represented by tight isoclinal rootless folds on mesoscopic scale as found in magnetite quartzite and garnet - pyroxene gneiss / granulite around Perumalmalai ( 11 ° 08'30 " : 78 ° 38 ' 00 " ) . The F , folds are traced on regional ...
Page 317
... represented by talc - tremolite schists . Pyrophyllite occurs as conformable bands in quartz - muscovite schist and radiating crystals of chloritoid are noticed in the northern ridges near Nambulapulakunta and 2 km south of Peddapalli ...
... represented by talc - tremolite schists . Pyrophyllite occurs as conformable bands in quartz - muscovite schist and radiating crystals of chloritoid are noticed in the northern ridges near Nambulapulakunta and 2 km south of Peddapalli ...
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