Records of the Geological Survey of India, Volume 131, Parts 2-3Government of India, 1996 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 32
... sericite + muscovite + opaques + biotite ± andalusite sphene + apatite ± epidote ; a prominent schistosity is defined by chlorite - muscovite sericite + biotite layers . · ii ) Meta acid volcanics : Medium to fine grained , constitutent ...
... sericite + muscovite + opaques + biotite ± andalusite sphene + apatite ± epidote ; a prominent schistosity is defined by chlorite - muscovite sericite + biotite layers . · ii ) Meta acid volcanics : Medium to fine grained , constitutent ...
Page 105
... sericite schists . The rocks are highly silicified and carbonatised and have suffered intense shearing . The general trend of the foliation of rocks varies from N70E- S70W to E - W with dip varying from 40 ° -70 ° on either side ...
... sericite schists . The rocks are highly silicified and carbonatised and have suffered intense shearing . The general trend of the foliation of rocks varies from N70E- S70W to E - W with dip varying from 40 ° -70 ° on either side ...
Page 38
... sericite phyllite and dark slaty phyllite belonging to Gorubathan formation of Daling Group . At Sikkip the mineralized veins ( trending N15 E ) have intruded of slate / dolomite of Gondwana Group ( ? ) along fructures and shear planes ...
... sericite phyllite and dark slaty phyllite belonging to Gorubathan formation of Daling Group . At Sikkip the mineralized veins ( trending N15 E ) have intruded of slate / dolomite of Gondwana Group ( ? ) along fructures and shear planes ...
Contents
COAL WING | 128 |
Geophysics Division | 209 |
Operation West Coast I | 239 |
Copyright | |
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amphibolite analysis anomaly bands Barakar Barakar Formation basin belt Bihar biotite block borehole carried chlorite clay Coalfield Code core covered Cruise delineated depth Director district Division drilling Dzongkhag east East Singhbhum eastern exploration for coal facies fault feldspar field season folds foliation garnet geochemical geoenvironmental GEOLOGICAL MAP geophysical geotechnical investigation gneiss Gondwana grade granite granite gneiss granulite grey Group heavy mineral INDEX indicated intersected Kamthi lignite limestone located Madhya Pradesh magnetic metamorphism mineralised zone nala occur Orissa OVERVIEW pegmatite phyllite plagioclase Plate programme Project prospect Purulia quartz quartz veins quartzite range Raniganj REGIONAL EXPLORATION ridge river samples were collected sand sandstone scale schist seabed sector sediments shale shallow shear zone Singhbhum slope soil spillway sq km stage geotechnical investigation structural sulphide surface survey Talchir thickness Toposheet traverses trending ultramafic upto Valley varies volcanics West Bengal