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 104
... Charnockite Group Pegmatite and quartz veins Pink / grey granitic gneiss Hornblede - biotite gneiss Charnockite ( intermediate ) with minor lenses of meta- pyroxenite and thin quartzite ......... Tectonic contact ...
... Charnockite Group Pegmatite and quartz veins Pink / grey granitic gneiss Hornblede - biotite gneiss Charnockite ( intermediate ) with minor lenses of meta- pyroxenite and thin quartzite ......... Tectonic contact ...
Page 108
... charnockite group comprises acid charnockite and pyroxene granulite . Of these , the acid charnockite is the predominant rock type oc- cupying the foot hills of Palani Hills and Rangaswamy Malai in the northwest . Charnockite in many ...
... charnockite group comprises acid charnockite and pyroxene granulite . Of these , the acid charnockite is the predominant rock type oc- cupying the foot hills of Palani Hills and Rangaswamy Malai in the northwest . Charnockite in many ...
Page 168
... charnockite for its entire depth . The intake section consists of a 58 m long tunnel , a 45 m cut and cover section and an open channel to a distance of 110m . The assessment indicated , the tunnel will be located in fresh charnockite ...
... charnockite for its entire depth . The intake section consists of a 58 m long tunnel , a 45 m cut and cover section and an open channel to a distance of 110m . The assessment indicated , the tunnel will be located in fresh charnockite ...
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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