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 5
... plane status of S .. 3. Fracture cleavage ( S3 ) : It is only locally develo- ped and occurs parallel to the axial plane to the folds on S1 ( i.e. F3 ) . ( b ) Linear structures : 1. Intersection of S1 and S2 Intersections of s and S ...
... plane status of S .. 3. Fracture cleavage ( S3 ) : It is only locally develo- ped and occurs parallel to the axial plane to the folds on S1 ( i.e. F3 ) . ( b ) Linear structures : 1. Intersection of S1 and S2 Intersections of s and S ...
Page
... plane ( S. ) ; 13. Schistosity plane ( S1 ) ; 14. Crenulation foliation ( S2 ) : 15. Fracture cleavage ( S3 ) ; 16. L - lineations : 17. L2- linealions s ; 18. L - lineations . Fig . 2. a . Selective equal area projection diagram for 50 ...
... plane ( S. ) ; 13. Schistosity plane ( S1 ) ; 14. Crenulation foliation ( S2 ) : 15. Fracture cleavage ( S3 ) ; 16. L - lineations : 17. L2- linealions s ; 18. L - lineations . Fig . 2. a . Selective equal area projection diagram for 50 ...
Page 86
... plane trending E - W and is the major folding episode in the area , resulting in tight , isoclinal folds . The second genera- tion folding ( F ) ( Wamsophi area ) with an axial trend of NW - SE , has refolded the earlier ( F ) folds at ...
... plane trending E - W and is the major folding episode in the area , resulting in tight , isoclinal folds . The second genera- tion folding ( F ) ( Wamsophi area ) with an axial trend of NW - SE , has refolded the earlier ( F ) folds at ...
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