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 94
... clay were attempted at field level which are very important parameters for determining the grade . White clay with good reflectance is preferred over coloured clay in vari- ous industries . In this area , pure white clay seldom occurs ...
... clay were attempted at field level which are very important parameters for determining the grade . White clay with good reflectance is preferred over coloured clay in vari- ous industries . In this area , pure white clay seldom occurs ...
Page 96
... clay and silt Variegated sandstone , variegated clay , ball clay , carbonaceous clay with or without lignite . ( Lateritised on the surface ) Fossiliferous limestone and marl Garnetiferous biotite / sillimanite gneiss . ( Lateritised on ...
... clay and silt Variegated sandstone , variegated clay , ball clay , carbonaceous clay with or without lignite . ( Lateritised on the surface ) Fossiliferous limestone and marl Garnetiferous biotite / sillimanite gneiss . ( Lateritised on ...
Page 99
... clay . The sedi- mentary sequence below the laterite , in general , is composed of clay , often carbonaeous with sand beds of varying thickness and lateral , extent . Interlayering and intermixing of the pure end mem- bers ( sand and ...
... clay . The sedi- mentary sequence below the laterite , in general , is composed of clay , often carbonaeous with sand beds of varying thickness and lateral , extent . Interlayering and intermixing of the pure end mem- bers ( sand and ...
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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