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 28
... represented by two sets of prominent shear planes at an angle of 45 ° to 50 ° , well developed on the Byrthap ... represented by alkali feldspar and nepheline . Mafic mineral is mainly represented by acmite , which occurs both as short ...
... represented by two sets of prominent shear planes at an angle of 45 ° to 50 ° , well developed on the Byrthap ... represented by alkali feldspar and nepheline . Mafic mineral is mainly represented by acmite , which occurs both as short ...
Page 139
... represented mainly by rusty brown sticky clay embedded with quartz pebbles , carbonaceous at places . Raniganj Formation consists dominantly of grey to light greenish fine - grained laminated sandstone alternated with dark grey silty ...
... represented mainly by rusty brown sticky clay embedded with quartz pebbles , carbonaceous at places . Raniganj Formation consists dominantly of grey to light greenish fine - grained laminated sandstone alternated with dark grey silty ...
Page 173
... represented by giant cross bedded long palaeo - sand ridge . The height of the ridge could be even 30m . It is mainly composed of medium to coarse sand . The cross beds represent lateral accretionary surfaces of the sand ridges . It ...
... represented by giant cross bedded long palaeo - sand ridge . The height of the ridge could be even 30m . It is mainly composed of medium to coarse sand . The cross beds represent lateral accretionary surfaces of the sand ridges . It ...
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