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 49
... lignite , clay , etc. , strati- graphic drilling was taken up in Eluru - Bhimadolu area , West Godavari district ... lignite seam between 141.35 and 142.85 m . Seam structure , based on chemical analysis , is given in Plate - 2 ...
... lignite , clay , etc. , strati- graphic drilling was taken up in Eluru - Bhimadolu area , West Godavari district ... lignite seam between 141.35 and 142.85 m . Seam structure , based on chemical analysis , is given in Plate - 2 ...
Page 53
... lignite , the thickness of which varies from 1.5 to 3.5 m . The nature of lignite is similar to that of Neyveli area of Tamil Nadu . The present study opens up new areas for exploration of lignite in the coastal districts of Andhra ...
... lignite , the thickness of which varies from 1.5 to 3.5 m . The nature of lignite is similar to that of Neyveli area of Tamil Nadu . The present study opens up new areas for exploration of lignite in the coastal districts of Andhra ...
Page 135
... lignite bed ( with a few sandy streaks and lenticles of marcasite ) , in turn , followed by coarse to gritty mottled sandstone with a few pebbly horizons towards top . The topmost horizon is a pebbly sandstone with fossils of petrified ...
... lignite bed ( with a few sandy streaks and lenticles of marcasite ) , in turn , followed by coarse to gritty mottled sandstone with a few pebbly horizons towards top . The topmost horizon is a pebbly sandstone with fossils of petrified ...
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