Records of the Geological Survey of India, Volume 113, Parts 2-4Government of India, 1983 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 12
... deformation , metamorphism , migmatisation and profuse granitic activities have blurred most of the initial traits of the rocks and make it diffi- cult to establish their deposition l and magmatic identity , from the kind of the ...
... deformation , metamorphism , migmatisation and profuse granitic activities have blurred most of the initial traits of the rocks and make it diffi- cult to establish their deposition l and magmatic identity , from the kind of the ...
Page 23
... deformation resulting from a layer parallel compression buckled the stratification ( S. ) into reclined to inclined folds ( F1 ) with concomitant development of . earliest mineral schistosity ( S. ) . The first deformation culminated in ...
... deformation resulting from a layer parallel compression buckled the stratification ( S. ) into reclined to inclined folds ( F1 ) with concomitant development of . earliest mineral schistosity ( S. ) . The first deformation culminated in ...
Page 28
... deformation are defined by the longest axes of the deformed conglomeratic pebbles and mineral lineations marked ubiquitously in the metamorphites by preferred dimensional orientation of prismatic and flaky minerals . In Turamdih sector ...
... deformation are defined by the longest axes of the deformed conglomeratic pebbles and mineral lineations marked ubiquitously in the metamorphites by preferred dimensional orientation of prismatic and flaky minerals . In Turamdih sector ...
Contents
A Probable Zone of Carbonatite and Fenitic Rock Association | 7 |
Quantitative Correlation of Cyclic Stratigraphic Sequences | 17 |
On the Fossiliferous Ordovician Rocks of Black Mountain | 35 |
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alkali anomaly apatite Arunachal assemblage associated axial bands Beldih belt Bhutan Bihar biotite bore holes borehole Carbonaceous carbonatite Chaibasa chert chlorite chlorite schist chromite coal seam Coarse sandstone complex contours correlation Dalma Deccan basalts deformation deposits depth developed Dhanjori district Dubrajpur Dubrajpur Formation Eastern exploration F₁ fault feldspars folds foliation fossils geochemical Geol Geological Survey Ghosh gneiss Gondwana grade grains granite gneiss grey Group Hills Himalaya host rock ijolite limestone lineation magnetite Manipur Medium sandstone metamorphism metres migmatites mineralisation minerals muscovite nepheline Northern Shear Zone occur olivine ophiolite phyllites plagioclase Plate plunging Pradesh Precambrian pyrite quartz quartzite regional rock types S₁ S₂ samples sandstone Sarkar schist schistosity sector sedimentary sequence sericite serpentinite shale sillimanite Singhbhum stratigraphic structural studies sulphide Surv Survey of India tectonic texture thickness tholeiites tion trending ultramafic upto veins volcanic