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 57
... ranging in thickness from 0.3 m ( in VP - 9 ) to 39 m ( in VP - 11 ) was intersected . The borehole VP - 11 , drilled in the Segment - F , intersected 39 m thick kimberlite along the borehole indicating a ' blow ' at 35 m vertical depth ...
... ranging in thickness from 0.3 m ( in VP - 9 ) to 39 m ( in VP - 11 ) was intersected . The borehole VP - 11 , drilled in the Segment - F , intersected 39 m thick kimberlite along the borehole indicating a ' blow ' at 35 m vertical depth ...
Page 82
... ranging from 0.03 to 0.25 ppm were in- dicated in sheared and brecciated banded iron for- mation close to the contact with quartz - muscovite- sericite schist over a strike length of 500 m . Thin quartz veins emplaced in quartz ...
... ranging from 0.03 to 0.25 ppm were in- dicated in sheared and brecciated banded iron for- mation close to the contact with quartz - muscovite- sericite schist over a strike length of 500 m . Thin quartz veins emplaced in quartz ...
Page 86
... ranging from 5 to 125 ppm against a back- ground of < 2 ppm in adjacent country rocks . A stray wolframite piece from the trench in Etipalli analysed 2.34 % W with 300 ppm Nb , 300 ppm La and 200 ppm Ce . Stream sediment samples reveal ...
... ranging from 5 to 125 ppm against a back- ground of < 2 ppm in adjacent country rocks . A stray wolframite piece from the trench in Etipalli analysed 2.34 % W with 300 ppm Nb , 300 ppm La and 200 ppm Ce . Stream sediment samples reveal ...
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