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 13
... grey granite , pink granite , pink alkali feldspar granite . In migmatite , it occurs as neosome and metabasite as paleosome . The coarse - grained grey biotite granite is the dominant lithounit and occurs as low lying hill ranges ...
... grey granite , pink granite , pink alkali feldspar granite . In migmatite , it occurs as neosome and metabasite as paleosome . The coarse - grained grey biotite granite is the dominant lithounit and occurs as low lying hill ranges ...
Page 31
... grey to dark grey granite with considerable amounts of magnetite and dark brown biotite is generated , Potash feldspars of such granites do contain numer- ous magnetite inclusions . Tonalite - granodiorite suite of rocks are the ...
... grey to dark grey granite with considerable amounts of magnetite and dark brown biotite is generated , Potash feldspars of such granites do contain numer- ous magnetite inclusions . Tonalite - granodiorite suite of rocks are the ...
Page 102
... grey granite oc- curs within the coarse - grained grey granite . This grey granite is in contact with PGC on the west- ern part of the area . Grey granite contains grey to white feldspar , biotite , greyish to smoky quartz . Pink granite ...
... grey granite oc- curs within the coarse - grained grey granite . This grey granite is in contact with PGC on the west- ern part of the area . Grey granite contains grey to white feldspar , biotite , greyish to smoky quartz . Pink granite ...
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