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 13
... Grey diorite -tonalite - granodiorite gneiss The grey coloured medium - grained tonalite- granodiorite gneiss with polydeformational im- prints represents oldest rock unit in the area and is designated as basement gneiss . In the area ...
... Grey diorite -tonalite - granodiorite gneiss The grey coloured medium - grained tonalite- granodiorite gneiss with polydeformational im- prints represents oldest rock unit in the area and is designated as basement gneiss . In the area ...
Page 82
... grey and Magadi grey , the variants of grey granites : Kashmir / Tippu white from leucogranites : Blue bird of diorite and finally the Black and Hassan green variety from basic dyke rocks . Preliminary assessment of the different com ...
... grey and Magadi grey , the variants of grey granites : Kashmir / Tippu white from leucogranites : Blue bird of diorite and finally the Black and Hassan green variety from basic dyke rocks . Preliminary assessment of the different com ...
Page 142
... grey granite ( Føs ) Grey migmatite ( GMG / GPM ) . Quartzite . ( Qtz ) . Ryroxenite ( Pgl / Py / Amp ) . Charnockite . ( Ch ) Anchgill Qr Quarries . individual commerical granite varieties occurring in the belt by recording their ...
... grey granite ( Føs ) Grey migmatite ( GMG / GPM ) . Quartzite . ( Qtz ) . Ryroxenite ( Pgl / Py / Amp ) . Charnockite . ( Ch ) Anchgill Qr Quarries . individual commerical granite varieties occurring in the belt by recording their ...
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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