Records of the Geological Survey of India, Volume 60, Part 4Geological Survey of India, 1928 - Earthquakes |
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Common terms and phrases
50 per cent alluvium analyses ash contents bands Barakar barakarensis sp basalt beak beds Begunia Bokaro coals Brachial valve brachiopods bright bands bright coal Cakes carbonaceous shales Carboniferous cardinal chloro chlorophæite clarain clays coal seam coalfield colloid system convex coroides curve delessite density deviations Diener disperse phase Ditto durain fault figures formula Geological Survey Girty gneisses Gondwana grey H₂O hinge-line horizon Iceland inches inorganic matter Korea Korea and Bokaro Korea coals lava Lower Barakar median Metamorphics moisture molecular montmorillonite Narsarha neotocite nontronite palagonite Pedicle-valve Permian Permo-Carboniferous Plate 26 Posterior Productus quartzite railway cutting Raniganj Reticularia barakarensis rewahensis riblets ribs rocks rounded sandstones shell showing sideromelan Silky coal sinus Skye specific gravity specimen spines spinifera strata Supra-Barakar surface Surv Survey of India suspensoid tachylyte Talchir term palagonite tubercle of fish U. S. Geol Umaria umariensis sp unconformity vitrain