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 125
... laterite horizon has not shown any appre- ciable concentration of basemetals . The silver values ( 153 samples ) do not exceed 5 ppm , while some of the samples tested for gold from Sapta- mala and Usgaon laterite quarry assayed < 0.1 ...
... laterite horizon has not shown any appre- ciable concentration of basemetals . The silver values ( 153 samples ) do not exceed 5 ppm , while some of the samples tested for gold from Sapta- mala and Usgaon laterite quarry assayed < 0.1 ...
Page 127
... laterite and lateritic gravel cappings are seen lying over whitish , buff and ferruginous sandstone . In the north , the sandstone and laterite are covered by thick column of yellowish and grey sandy clay . It is inferred that during ...
... laterite and lateritic gravel cappings are seen lying over whitish , buff and ferruginous sandstone . In the north , the sandstone and laterite are covered by thick column of yellowish and grey sandy clay . It is inferred that during ...
Page 181
... laterite , quartz veins , quartz - magnetite granulite , laterite cuttings , dumps , old workings for gold , etc. The area is thickly vegetated and the rock exposures are very scanty . The tentative succession of the lithounits ...
... laterite , quartz veins , quartz - magnetite granulite , laterite cuttings , dumps , old workings for gold , etc. The area is thickly vegetated and the rock exposures are very scanty . The tentative succession of the lithounits ...
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