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 108
... foliation and fracture planes resulting in pink migmatites . Fine to medium - grained pink granite gneiss ( ± garnet ) occurs as thin sheets and veins interbanded with charnockite and biotite gneiss in the western part and is also ...
... foliation and fracture planes resulting in pink migmatites . Fine to medium - grained pink granite gneiss ( ± garnet ) occurs as thin sheets and veins interbanded with charnockite and biotite gneiss in the western part and is also ...
Page 172
... foliation trends N 75 ° E - S75 ° W with 75 ° dip towards S 15 ° E to vertical . Two sets of major joints trend : ( i ) N to N 25 ° W - Sto S25 ° E with dips of 80 ° towards S 65 ° W to vertical , with a frequency of 30 -100 cm and ( ii ) ...
... foliation trends N 75 ° E - S75 ° W with 75 ° dip towards S 15 ° E to vertical . Two sets of major joints trend : ( i ) N to N 25 ° W - Sto S25 ° E with dips of 80 ° towards S 65 ° W to vertical , with a frequency of 30 -100 cm and ( ii ) ...
Page 195
... foliation of gneissic rocks is N 35 ° ES 35 ° W with 35 ° to 40 ° dips towards N 55 ° E. Apart from foliation joint , vertical joints striking N 60 ° E S 60 ° W are also present . The slide area consists of colluvial scree material ...
... foliation of gneissic rocks is N 35 ° ES 35 ° W with 35 ° to 40 ° dips towards N 55 ° E. Apart from foliation joint , vertical joints striking N 60 ° E S 60 ° W are also present . The slide area consists of colluvial scree material ...
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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