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 8
... granite- greenstone terrain constituting the eastern part of Dharwar craton . The tentative stratigraphy established for the area is as follows : Mid - Proterozoic Lower Proterozoic to Archaean Ultramafic intrusives Basic intrusives ...
... granite- greenstone terrain constituting the eastern part of Dharwar craton . The tentative stratigraphy established for the area is as follows : Mid - Proterozoic Lower Proterozoic to Archaean Ultramafic intrusives Basic intrusives ...
Page 13
... granite Orbicular granite Migmatite after intermixing of the Ramagiri - Penakacherla supracrustal rocks and younger intrusive granodiorite - granite Migmatite after intermixing of the grey gneiss and younger intrusive granodiorite ...
... granite Orbicular granite Migmatite after intermixing of the Ramagiri - Penakacherla supracrustal rocks and younger intrusive granodiorite - granite Migmatite after intermixing of the grey gneiss and younger intrusive granodiorite ...
Page 31
... granite , granite gneiss and basic rocks ( amphibolite ) in andesitic matrix . It occurs as detached blocks and also as xenoliths within the granite . The clast size decreases towards north and are elongated due to deformation . Granite ...
... granite , granite gneiss and basic rocks ( amphibolite ) in andesitic matrix . It occurs as detached blocks and also as xenoliths within the granite . The clast size decreases towards north and are elongated due to deformation . Granite ...
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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