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 115
... direction for a length of 25 km with an average width of about 3 km . A small proportion of charnockite group consisting of charnockite , banded magnetite quartzite and pyroxene granulite occurs as restite and resisters in the western ...
... direction for a length of 25 km with an average width of about 3 km . A small proportion of charnockite group consisting of charnockite , banded magnetite quartzite and pyroxene granulite occurs as restite and resisters in the western ...
Page 187
... direction . These joint sets are disposed 50 ° to 75 ° , 35 ° to 50 ° and 25 ° askew to the tunnel direction , respectively . The rock exposures are limited and discontinuous . The ground level at the inlet and the exit sides is + 35 m ...
... direction . These joint sets are disposed 50 ° to 75 ° , 35 ° to 50 ° and 25 ° askew to the tunnel direction , respectively . The rock exposures are limited and discontinuous . The ground level at the inlet and the exit sides is + 35 m ...
Page 209
... direction enclosed by - 73 mgal contour . These highs together with a high at Cherukuru on the north which is in the same alignment may indicate high density schistose rocks at depth and represent the southern continuation of Sandur ...
... direction enclosed by - 73 mgal contour . These highs together with a high at Cherukuru on the north which is in the same alignment may indicate high density schistose rocks at depth and represent the southern continuation of Sandur ...
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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