Records of the Geological Survey of India, Volume 100The Survey, 1965 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 55
... dykes of dolerite and basalt parallel to the shear fracturing of the gneissic rocks , and ( 2 ) cross - cutting north - south to N.N.W.-S.S.E. dykes of dolerite and plagioclase porphyry . The regional strike of foliation and banding is ...
... dykes of dolerite and basalt parallel to the shear fracturing of the gneissic rocks , and ( 2 ) cross - cutting north - south to N.N.W.-S.S.E. dykes of dolerite and plagioclase porphyry . The regional strike of foliation and banding is ...
Page 66
... dykes . The other rock types , namely quartzites , granites , quartz and pegmatite vein met with in the area are not extensively exposed . The strike of foliation of the biotite - gneisses varies from E.N.E.-W.S.W. to E.S.E.-W.N.W. with ...
... dykes . The other rock types , namely quartzites , granites , quartz and pegmatite vein met with in the area are not extensively exposed . The strike of foliation of the biotite - gneisses varies from E.N.E.-W.S.W. to E.S.E.-W.N.W. with ...
Page 67
... dykes Pegmatite and quartz veins Granites Charnockites The major rock types in the area are the charnockites and granites . The charnockites are medium to coarse - grained , light grey in colour , with waxy looking blue quartz ...
... dykes Pegmatite and quartz veins Granites Charnockites The major rock types in the area are the charnockites and granites . The charnockites are medium to coarse - grained , light grey in colour , with waxy looking blue quartz ...
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh Archaean Asstt bands Banerjee basalt bauxite Bihar boreholes Calcutta carried cent charnockites Chatterjee Circle Office clay coal coalfield copper Deccan Traps Delhi deposits depth dips district Ditto Ditto dolerite dolomite drill holes dykes earth dam examined exploratory exposed folded foliation formations fossils geochemical geological mapping Geologists Geologists Jr Geologists Junior Geophysics Ghosh gneiss Gondwana grade granite gneiss graphite ground level groundwater Gujarat Gupta India indicated iron-ore laboratory laterite limestone located longitudes Madhya Pradesh Madras Maharashtra mapped Scale metres million tonnes mineralisation minerals Mukherjee Murthy nala occurs Orissa pegmatite phyllites pits power house Project proposed quartz veins quartzite Rajasthan recommended Regional river bed rock types samples sandstones Sarvashri schist seams shales Sharma shear sheet Shri Singh Sinha spillway Srivastava strike studies Superintending Geologist-in-Charge Survey taluk thickness tion topo-sheet trending tubewells tunnel upto varies water supply West Bengal zone