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 8
... unit by Hobson ( 1928 ) . He found fossil Unio within this unit and on this basis he pointed out a " sharp palaeonto- logic break " between ' Damuda ' and ' Dubrajpur beds ' . He suggested ' relationship ' of this unit with ' Rajmahal ...
... unit by Hobson ( 1928 ) . He found fossil Unio within this unit and on this basis he pointed out a " sharp palaeonto- logic break " between ' Damuda ' and ' Dubrajpur beds ' . He suggested ' relationship ' of this unit with ' Rajmahal ...
Page 17
... units separated by an unconformity , and the Salari shale is believed to represent the uppermost unit of the Bichom Group . This is overlain by Dezda Formation composed of Dolomi- tes with minor carbonaceous shales . This dolomite ...
... units separated by an unconformity , and the Salari shale is believed to represent the uppermost unit of the Bichom Group . This is overlain by Dezda Formation composed of Dolomi- tes with minor carbonaceous shales . This dolomite ...
Page 69
... unit consists of moderate to high denuda- tional hills of limestone belonging to Shella Forma- tion and has been separated from the second unit chiefly because of its different geomorphic expression and photo characters . It is ...
... unit consists of moderate to high denuda- tional hills of limestone belonging to Shella Forma- tion and has been separated from the second unit chiefly because of its different geomorphic expression and photo characters . It is ...
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