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 36
... Group The metasedimentary sequence of the Black Mountain area has been divided into two broad groups i.e. ( i ) Mao - Khola Group and ( ii ) Black Mountain Group . The stratigraphic succession of these two groups has already been given ...
... Group The metasedimentary sequence of the Black Mountain area has been divided into two broad groups i.e. ( i ) Mao - Khola Group and ( ii ) Black Mountain Group . The stratigraphic succession of these two groups has already been given ...
Page 17
... Group and Tak- pashari Group separated by a major NE - SW thrust . The relationship between Taliha / Hari is also not clear , though they are stated to be equivalent . In his description of stratigraphic units no attempt has been made ...
... Group and Tak- pashari Group separated by a major NE - SW thrust . The relationship between Taliha / Hari is also not clear , though they are stated to be equivalent . In his description of stratigraphic units no attempt has been made ...
Page 20
... Group I of Daling Group described as Gorubathan Sub - Group is composed of slate , phyl- lite and quartzite with gritty schist and metabasics and is the most well developed sequence of the area . These Sub - Groups are stated to be ...
... Group I of Daling Group described as Gorubathan Sub - Group is composed of slate , phyl- lite and quartzite with gritty schist and metabasics and is the most well developed sequence of the area . These Sub - Groups are stated to be ...
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