Records of the Geological Survey of India, Volume 106The Survey, 1975 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 157
... band is also exposed within these gneisses near the Yachuli Rest House . Potin Schists : Two schist bands are exposed along the Ranga valley . The first schist band consists of muscovite and biotite and is garnetiferous , which probably ...
... band is also exposed within these gneisses near the Yachuli Rest House . Potin Schists : Two schist bands are exposed along the Ranga valley . The first schist band consists of muscovite and biotite and is garnetiferous , which probably ...
Page 202
... bands have been located in the zone . The bands as well as the enclosing granite gneiss strike in N.E.— S.W. direction with subvertical dips . The individual mineralised bands , arranged in an en - echelon pattern , are 27 to 95 m . in ...
... bands have been located in the zone . The bands as well as the enclosing granite gneiss strike in N.E.— S.W. direction with subvertical dips . The individual mineralised bands , arranged in an en - echelon pattern , are 27 to 95 m . in ...
Page 297
... bands separated by a zone of cement grade limestone , were delineated in the massive limestone horizon . The upper flux - grade band varies in thickness from 9.90 m . to 12.25 m . where as the lower band is 3 m . thick . The ...
... bands separated by a zone of cement grade limestone , were delineated in the massive limestone horizon . The upper flux - grade band varies in thickness from 9.90 m . to 12.25 m . where as the lower band is 3 m . thick . The ...
Contents
Volume 106 | 1 |
WESTERN REGION | 16 |
Engineering and Transport Division | 82 |
Copyright | |
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alignment alluvium amphibolite Andhra Pradesh Asstt bands basalt basin bauxite Bihar biotite block bore holes boreholes Calcutta carried charnockite chert clay coal coalfield comprising copper Deccan Trap Delhi deposits depth Director district Division dolerite dolomite drill holes dykes east electrical logging exploration exploratory fault felspar foliation formation fossils garnetiferous geochemical geohydrological geological investigations geological mapping Geological Survey Geologist Jr geophysical Ghosh gneiss Gondwana grade grained granite gneiss graphite grey Groundwater hornblende indicated laboratory laterite limestone located Lucknow metres million tonnes mineralisation minerals nala occurs Orissa pegmatite phosphate phyllites pits power house Pradesh Project quartz quartzite Rajasthan Region river rock types S/Shri samples sandstone schist seams sediments shales Sharma shear Shri Singh Sinha spillway Srivastava strike length studies Survey of India systematic thickness thin toposheet Trap Flow traverse trending tubewells tunnel upto valley varies veins Vindhyan West Bengal zone