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
... folds in the quartzite enclaves and the foliation in the adjacent granite gneiss gives further support to the axial plane status of S .. 3. Fracture cleavage ( S3 ) : It is only locally develo- ped and occurs parallel to the axial plane ...
... folds in the quartzite enclaves and the foliation in the adjacent granite gneiss gives further support to the axial plane status of S .. 3. Fracture cleavage ( S3 ) : It is only locally develo- ped and occurs parallel to the axial plane ...
Page 6
... folds ; the flexural slip is indicated by disharmonic folds and crumpling at the fold arches , while the slip is evi- denced by transposition of S , into S , and displacement along S ,. The axial plunges of these folds show much scatter ...
... folds ; the flexural slip is indicated by disharmonic folds and crumpling at the fold arches , while the slip is evi- denced by transposition of S , into S , and displacement along S ,. The axial plunges of these folds show much scatter ...
Page 29
... folds and puckers is a promi- nent feature in the southern part of the belt , though not uncommon in other parts . This has often displaced the hinges of F2 - folds and produced sigmoids on S. and S. The puckers on S2 are the most ...
... folds and puckers is a promi- nent feature in the southern part of the belt , though not uncommon in other parts . This has often displaced the hinges of F2 - folds and produced sigmoids on S. and S. The puckers on S2 are the most ...
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