Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1987 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 10
... grey splintery shales , at times carbonaceous , interbedded with medium grained , grey , flaggy sandstone and calcareous rocks . Streaks of carbonaceous matter are often found associated with shales . The Amlangbra Formation ( Barails ) ...
... grey splintery shales , at times carbonaceous , interbedded with medium grained , grey , flaggy sandstone and calcareous rocks . Streaks of carbonaceous matter are often found associated with shales . The Amlangbra Formation ( Barails ) ...
Page 20
... grey , fine grained , micaceous , hard , compact and rippled . The thickly bedded sandstone bands are grey / buff in colour , medium to fine grained , micaceous , hard , compact , laminated and micro cross bedded . These bands are very ...
... grey , fine grained , micaceous , hard , compact and rippled . The thickly bedded sandstone bands are grey / buff in colour , medium to fine grained , micaceous , hard , compact , laminated and micro cross bedded . These bands are very ...
Page 24
... grey in colour and splintery in nature . Occasionally these bands attain a thickness upto 2 m . Siltstone is grey to dark grey and greenish to bluish grey in colour with an average thickness of about 30 to 50 cm . In the southwestern ...
... grey in colour and splintery in nature . Occasionally these bands attain a thickness upto 2 m . Siltstone is grey to dark grey and greenish to bluish grey in colour with an average thickness of about 30 to 50 cm . In the southwestern ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
Geological Survey of India | 4 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
Copyright | |
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amphibolite AMSE Wing analysis Andaman anomalies assemblage bands Barakar Barakar Formation Barren Measures basin belt Bihar biotite block boreholes Calcutta clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores correlation deposits depth district Division-II drilling dykes Eastern Engineering Geology evaluation exploration fault Feasibility stage folds geochemical geological mapping Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grained granite granite gneiss grey Group heavy minerals horizon indicated Irrigation LANDSAT limestone lineaments located magnetic metamorphic mica migmatites mineralisation NW-SE occur Orissa pegmatite phyllite PRADESH quartz quartzite Raniganj Raniganj Formation regional river sand sandstone scale schist seam zones sector sediments shale shear zone Shillong sillimanite Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation Stratigraphy strike length structure surface Survey of India thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal