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 10
... tion of these tabular and lensoid intrusions and the trend of foliation of the enclosing rocks is present . Magnetite ores also show cross cutting relationships with the planar structures of the enclosing rocks . Quartz - feldspar veins ...
... tion of these tabular and lensoid intrusions and the trend of foliation of the enclosing rocks is present . Magnetite ores also show cross cutting relationships with the planar structures of the enclosing rocks . Quartz - feldspar veins ...
Page
... tion is likely to be increased to five times in course of time . The total area occupied by waste material genera- ted so far is 2120 sq.m ( approx . ) . ( e ) Rakha mines - The lode at Rakha which extends over a strike length of about ...
... tion is likely to be increased to five times in course of time . The total area occupied by waste material genera- ted so far is 2120 sq.m ( approx . ) . ( e ) Rakha mines - The lode at Rakha which extends over a strike length of about ...
Page 86
... tion . The tearing apart , of the schist , band has taken place essentially due to shearing , that induced the differential movement of the migmatitic com- ponents . Three generations of folding have been recognised in the area . The ...
... tion . The tearing apart , of the schist , band has taken place essentially due to shearing , that induced the differential movement of the migmatitic com- ponents . Three generations of folding have been recognised in the area . The ...
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