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 71
... quartz - chlorite - sericite schist and quartz - ankerite veins . The surface manifes- tations of mineralisation include alteration zones and sporadic oxidised and primary sulphides . Old worklings in the form of shafts and shallow pits ...
... quartz - chlorite - sericite schist and quartz - ankerite veins . The surface manifes- tations of mineralisation include alteration zones and sporadic oxidised and primary sulphides . Old worklings in the form of shafts and shallow pits ...
Page 75
... quartz veins seen emplaced in highly sheared granite which has intruded into chlorite schist . Sheared quartz vein gossanised . Limonite and arsenic staines . Some of the fresh pieces contain profuse amount of disseminations of ...
... quartz veins seen emplaced in highly sheared granite which has intruded into chlorite schist . Sheared quartz vein gossanised . Limonite and arsenic staines . Some of the fresh pieces contain profuse amount of disseminations of ...
Page 181
... quartz veins / quartz- magnetite granulite / biotite - hornblende gneiss and also to study the dispersion pattern of trace ele- ments . - Geological mapping on 1 : 2,000 scale was carried out to delineate the laterite , quartz veins , ...
... quartz veins / quartz- magnetite granulite / biotite - hornblende gneiss and also to study the dispersion pattern of trace ele- ments . - Geological mapping on 1 : 2,000 scale was carried out to delineate the laterite , quartz veins , ...
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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Common terms and phrases
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