Records of the Geological Survey of India, Volume 101The Survey, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 173
... folded twice ( B ' and B❞— folds ) . No mineral deposit of any economic importance has been noted in the area . Pyrite and chalcopyrite streaks and pods were noticed within the pegmatites traversing the granite . Santhal Parganas ...
... folded twice ( B ' and B❞— folds ) . No mineral deposit of any economic importance has been noted in the area . Pyrite and chalcopyrite streaks and pods were noticed within the pegmatites traversing the granite . Santhal Parganas ...
Page 176
... folded structure ) subsequently folded up to give rise to an antiform . Both the folds plunge roughly towards W.N.W. Two sets of secondary cleavage planes have been formed as a result of two phases of fold movement . R. N. Pattanaik and ...
... folded structure ) subsequently folded up to give rise to an antiform . Both the folds plunge roughly towards W.N.W. Two sets of secondary cleavage planes have been formed as a result of two phases of fold movement . R. N. Pattanaik and ...
Page 262
... folded into isoclinal folds . Shearing was noted along the contacts of the gneisses and schists . The general grade of metamorphism in the schistose rocks corresponded to the albite - muscovite - chlorite and quartz - albite - muscovite ...
... folded into isoclinal folds . Shearing was noted along the contacts of the gneisses and schists . The general grade of metamorphism in the schistose rocks corresponded to the albite - muscovite - chlorite and quartz - albite - muscovite ...
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alignment alluvium aquifers Asstt bands Banerjee Bihar boreholes carried charnockites Chatterjee Chowdhury Circle clay coal coalfield comprising copper covered Dam Project Delhi deposits depth dipping district Division dolomite drill holes Dutta electrical logging examined excavation exploratory drilling fault formation fossils found to occur geochemical geohydrological geological mapping Geologist Jr Geophysical Ghosh gneisses Gondwanas grade granite granite-gneiss groundwater grouting Hazaribagh district Headquarters Himachal Pradesh Hydel indicated investigations irrigation Jammu Kashmir Laboratory left abutment limestone located magnetite million tonnes mineralisation minerals nala officers Orissa pegmatites phosphorite phyllites power house pyrite quartz quartz-veins quartzites Rajasthan Raniganj recommended Region reservoir river rock-types rocks sand sandstones Sarvashri scale schist seams shales Shalis Sharma shear sheet Shri Singh Sinha slates slopes spillway Srivastava strike length studies sulphide Superintending Geologist-in-Charge thickness topo-sheet tubewells tunnel underlain upto Uttar Pradesh varying veins West Bengal wolframite zone