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
... observed . Ore Petrography : Ore microscopic studies have revealed a primary dominant sulphide assemblage of chalcopyrite - pyrite - arsenopyrite - sphalerite - pyrrhotite and minor phases of galena and cobaltite . Development of ...
... observed . Ore Petrography : Ore microscopic studies have revealed a primary dominant sulphide assemblage of chalcopyrite - pyrite - arsenopyrite - sphalerite - pyrrhotite and minor phases of galena and cobaltite . Development of ...
Page 72
... observed that the polar climatic fluctuations penetrate upto a depth of 25 meters only . The temperature in a ... observed . From February '96 to February '97 , 13 observations were taken . It was seen that during the winter months ...
... observed that the polar climatic fluctuations penetrate upto a depth of 25 meters only . The temperature in a ... observed . From February '96 to February '97 , 13 observations were taken . It was seen that during the winter months ...
Page 2
... observed to come in contact with the sedimentaries . As observed through section meas- urement , sedimentary sequence start with unsorted , matrix supported polymictic conglomerate ; followed by gritty beds and gradually appearing ...
... observed to come in contact with the sedimentaries . As observed through section meas- urement , sedimentary sequence start with unsorted , matrix supported polymictic conglomerate ; followed by gritty beds and gradually appearing ...
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