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 26
... coal seams of the western and central parts of the coalfield have higher rank than those from the eastern part . The coals from the Raniganj measures contain greater amount of vitrinite than those from the Barakar measures whereas the ...
... coal seams of the western and central parts of the coalfield have higher rank than those from the eastern part . The coals from the Raniganj measures contain greater amount of vitrinite than those from the Barakar measures whereas the ...
Page 72
... coal or shaly coal bands . The gamma - ray log does not show any strong radio- active zone . Shaly coal formations show moderate radioactivity but coal bearing zones in general have very low radioactive zone . Shaly coal formations show ...
... coal or shaly coal bands . The gamma - ray log does not show any strong radio- active zone . Shaly coal formations show moderate radioactivity but coal bearing zones in general have very low radioactive zone . Shaly coal formations show ...
Page 26
... coals with that described by Marshall ( 1959 ) indica- tes that these coals are of inferior nature . Submergence of Economic Minerals The minerals of economic value are mica , clay , limestone , and kankar in the Archaeans , and coal in ...
... coals with that described by Marshall ( 1959 ) indica- tes that these coals are of inferior nature . Submergence of Economic Minerals The minerals of economic value are mica , clay , limestone , and kankar in the Archaeans , and coal in ...
Contents
Volume 106 | 1 |
WESTERN REGION | 16 |
Engineering and Transport Division | 82 |
Copyright | |
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Common terms and phrases
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