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
... surface inter - section position of coal seam / s gets shifted in respect of the postula- ted position as per calculations and as a result cor- relation of seam / s appear doubtful . ( iv ) If the operational area contains large number ...
... surface inter - section position of coal seam / s gets shifted in respect of the postula- ted position as per calculations and as a result cor- relation of seam / s appear doubtful . ( iv ) If the operational area contains large number ...
Page 8
... surface evidences , sup- plemented sometimes by the surface observations , existence of a fault met at depth in a bore hole can be reasonably correlated with the fault at the sur- face ( if , of course , the fault extends upto the ...
... surface evidences , sup- plemented sometimes by the surface observations , existence of a fault met at depth in a bore hole can be reasonably correlated with the fault at the sur- face ( if , of course , the fault extends upto the ...
Page 8
... surface ) coal catch- es fire and starts burning . The burning of coal usual ly ceases when passage of air or oxygen is sealed off due to collapse of roof strata etc. It also ceases automatically in the dip - side when ground table is ...
... surface ) coal catch- es fire and starts burning . The burning of coal usual ly ceases when passage of air or oxygen is sealed off due to collapse of roof strata etc. It also ceases automatically in the dip - side when ground table 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