Records of the Geological Survey of India, Volume 129, Part 5Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 150
... excavated down to a depth of about 11 m from the general foundation level . Detailed foundation mapping of the blocks - 5,6 and 7 was carried out during the current filed season . The rock exposed in the foundation is grey porphyritic ...
... excavated down to a depth of about 11 m from the general foundation level . Detailed foundation mapping of the blocks - 5,6 and 7 was carried out during the current filed season . The rock exposed in the foundation is grey porphyritic ...
Page 152
... excavated from 1 m u / s of the centre line of the dam in this reach . The area is occupied by medium - grained quartzites interbedded with light green shale varying in thickness from a few cm to 8 cm belonging to Irlakonda formation of ...
... excavated from 1 m u / s of the centre line of the dam in this reach . The area is occupied by medium - grained quartzites interbedded with light green shale varying in thickness from a few cm to 8 cm belonging to Irlakonda formation of ...
Page 156
... excavated in the deep bed portion for forming the earth bund was studied . Bairenkonda quartzite of Nallamali Group of Cuddapah Supergroup is exposed at the site of Bund - ' B ' . The quartzite is exposed in the COT , below a thick ...
... excavated in the deep bed portion for forming the earth bund was studied . Bairenkonda quartzite of Nallamali Group of Cuddapah Supergroup is exposed at the site of Bund - ' B ' . The quartzite is exposed in the COT , below a thick ...
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Common terms and phrases
acid volcanics amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly zones anorthosite assessment auriferous banded iron formation beach ridges bedrock beds BIF bands biotite biotite gneiss block boreholes carried charnockite chert Chitradurga clay delineated deposits depth Dharwar dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation foundation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss Gneissic gold mineralisation granite gneiss granulite gravity grey grout hornblende INDEX indicated intrusives joints KARNATAKA KERALA kimberlite laterite lignite limestone lineament located mafic magnetic metabasalt migmatites mineral mineralised zones NE-SW NNW-SSE NW-SE occur overburden pegmatite Plate power house PROJECT pyrite quartz quartz veins quartzite regional reservoir river rock types samples scale schist belt schistose sediments shear zone slope soil southern spillway sq km strike length structural studies sulphides surveys TAMIL NADU thickness traversed trenching trending tunnel ultramafic upto vertical weathered width