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 4
... metamorphism of stratabound / stratiform sulphide ores . DISCUSSION Concept of metamorphism of stratabound sulphides has been accepted to - day by most of the ore - geologists . The stratiform sulphides ore body is now considered by ...
... metamorphism of stratabound / stratiform sulphide ores . DISCUSSION Concept of metamorphism of stratabound sulphides has been accepted to - day by most of the ore - geologists . The stratiform sulphides ore body is now considered by ...
Page 17
... METAMORPHISM AND GRANITIC EVOLUTION OF THE CHOTANAGPUR GRANITE GNEISS COMPLEX AROUND RANCHI ( With Plates 1-5 ) A. N. SARKAR and B. N. JHA Geological Survey of India 2 ABSTRACT The Precambrian metamorphic and granitic rocks of the ...
... METAMORPHISM AND GRANITIC EVOLUTION OF THE CHOTANAGPUR GRANITE GNEISS COMPLEX AROUND RANCHI ( With Plates 1-5 ) A. N. SARKAR and B. N. JHA Geological Survey of India 2 ABSTRACT The Precambrian metamorphic and granitic rocks of the ...
Page 10
... metamorphic episodes . 1. Regional progressive metamorphism , syn - to post- kinematic with reference to the F1 folding : Syn - kinematic crystallisation and growth of muscovite and biotite in pelitic and semi - pelitic rocks ...
... metamorphic episodes . 1. Regional progressive metamorphism , syn - to post- kinematic with reference to the F1 folding : Syn - kinematic crystallisation and growth of muscovite and biotite in pelitic and semi - pelitic rocks ...
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