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 171
... amphibolite , banded iron formation , pegmatite and quartz veins . The amphibolite and banded iron formation occur as enclaves within migmatite . The migmatite shows typical migmatitic structures and is gneissic , at places . Three ...
... amphibolite , banded iron formation , pegmatite and quartz veins . The amphibolite and banded iron formation occur as enclaves within migmatite . The migmatite shows typical migmatitic structures and is gneissic , at places . Three ...
Page 310
... amphibolites and actinolite - chlorite schist ( meta- basalts ) with bands of quartz porphyry ( metaacid volcanics ) . The amphibolites are of three types , viz . , coarse - grained amphibolite , banded amphi- bolite and schistose ...
... amphibolites and actinolite - chlorite schist ( meta- basalts ) with bands of quartz porphyry ( metaacid volcanics ) . The amphibolites are of three types , viz . , coarse - grained amphibolite , banded amphi- bolite and schistose ...
Page 327
... amphibolite sills Metasediments Palkanmaradi conglomerate ( local ) Metarhyolite and amphibolite Metaacid volcanics and BIF . Basic volcanics with minor carbonated bands and BIF Banded gneiss , granodiorite . Gurugunta Schist Belt ...
... amphibolite sills Metasediments Palkanmaradi conglomerate ( local ) Metarhyolite and amphibolite Metaacid volcanics and BIF . Basic volcanics with minor carbonated bands and BIF Banded gneiss , granodiorite . Gurugunta Schist Belt ...
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