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 7
... rocks or basic rocks , carbonate rocks , magnetite ores with small amounts of apatite and later injected quartz - feldspar veins , alkali metasomatic rocks or fenites , nepheline syenite and nepheline - diopside rocks . The trace ...
... rocks or basic rocks , carbonate rocks , magnetite ores with small amounts of apatite and later injected quartz - feldspar veins , alkali metasomatic rocks or fenites , nepheline syenite and nepheline - diopside rocks . The trace ...
Page 10
... rock type is highly brecciated and mylonitised . In Fatehpura , the basic rocks are also highly deformed and sheared . In Ajitsagar , zoned intrusions of basic rocks on mesoscopic scale can be traced . Carbonate rocks in the form of ...
... rock type is highly brecciated and mylonitised . In Fatehpura , the basic rocks are also highly deformed and sheared . In Ajitsagar , zoned intrusions of basic rocks on mesoscopic scale can be traced . Carbonate rocks in the form of ...
Page 36
... rocks are present in Wachi - La The fossiliferous limestone and slates of Tong - Chu valley are younger than the rocks of Wachi - La ' area as will be stated later . area . GEOLOGY The stratigraphic succession worked out by the present ...
... rocks are present in Wachi - La The fossiliferous limestone and slates of Tong - Chu valley are younger than the rocks of Wachi - La ' area as will be stated later . area . GEOLOGY The stratigraphic succession worked out by the present ...
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