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 18
... regional metamorphism and profuse granitic activities , the elucidation of the strati- graphic succession in the area poses a great problem . Nevertheless , a tentative and provisional stratigraphic sequence , based on field relations ...
... regional metamorphism and profuse granitic activities , the elucidation of the strati- graphic succession in the area poses a great problem . Nevertheless , a tentative and provisional stratigraphic sequence , based on field relations ...
Page 10
... regional foliation . At Haratu , several small dykes are observed with divergent trends and slight arcuation . At Katarpa , the body runs in an almost E - W direction for about 1.5 km . km . The rock is medium - grained and shows ...
... regional foliation . At Haratu , several small dykes are observed with divergent trends and slight arcuation . At Katarpa , the body runs in an almost E - W direction for about 1.5 km . km . The rock is medium - grained and shows ...
Page 22
... regional geodynamic model rather than to understand its signi- ficance in relation to the geological data available for the adjacent districts of Arunachal Pradesh . Recent studies by B. Chattopadhyaya ( personal co- mmunication ) have ...
... regional geodynamic model rather than to understand its signi- ficance in relation to the geological data available for the adjacent districts of Arunachal Pradesh . Recent studies by B. Chattopadhyaya ( personal co- mmunication ) have ...
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