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 41
... migmatites , leptynites and intrusive porphyroblastic charnockites . Enclaves of acid charnockites , khondalite and metabasic rocks occur within the migmatites , which are almost confined to the area between the Vamsadhara River and the ...
... migmatites , leptynites and intrusive porphyroblastic charnockites . Enclaves of acid charnockites , khondalite and metabasic rocks occur within the migmatites , which are almost confined to the area between the Vamsadhara River and the ...
Page 108
... migmatite group includes hornblende gneiss , hornblende - biotite gneiss , biotite- gneiss and quartzo - feldspathic gneiss with the other high grade rocks occurring as restites in them . The migmatites derived from metabasites exhibit ...
... migmatite group includes hornblende gneiss , hornblende - biotite gneiss , biotite- gneiss and quartzo - feldspathic gneiss with the other high grade rocks occurring as restites in them . The migmatites derived from metabasites exhibit ...
Page 143
... migmatites , pink syenite veins and basic dykes . The regional trend of the rock types swerves from NNE - SSW to N ... migmatite and Bash Paradiso on the west and between Bash Paradiso and grey migmatite on the east . The whole belt is ...
... migmatites , pink syenite veins and basic dykes . The regional trend of the rock types swerves from NNE - SSW to N ... migmatite and Bash Paradiso on the west and between Bash Paradiso and grey migmatite on the east . The whole belt is ...
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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