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 91
... major lode exposed in the central part of the area ( A - zone ) has been chosen for the first phase of exploration by drilling based on the fol- lowing considerations : ( i ) the quartz vein has an exposed width of 3m and length of 60 m ...
... major lode exposed in the central part of the area ( A - zone ) has been chosen for the first phase of exploration by drilling based on the fol- lowing considerations : ( i ) the quartz vein has an exposed width of 3m and length of 60 m ...
Page 196
... major rivers like , Manimala Ar , Pamba Ar , Achankoil Ar and Kallada Ar and their numerous tributaries . The major geomorphic surfaces are pediment , pediplain and floodplain . The annual precipitation is over 3,000mm . The alignment ...
... major rivers like , Manimala Ar , Pamba Ar , Achankoil Ar and Kallada Ar and their numerous tributaries . The major geomorphic surfaces are pediment , pediplain and floodplain . The annual precipitation is over 3,000mm . The alignment ...
Page 248
... major marker horizon of Yerrakonda Formation ( Viswanatha , 1980 ) . The Yerrakonda hill , southeast of KGF town , also exposes completely folded thick units of BIF . A few thin bands of BIF varying form 1 to 10m in thickness and strike ...
... major marker horizon of Yerrakonda Formation ( Viswanatha , 1980 ) . The Yerrakonda hill , southeast of KGF town , also exposes completely folded thick units of BIF . A few thin bands of BIF varying form 1 to 10m in thickness and strike ...
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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