Records of the Geological Survey of India, Volume 110The Survey, 1978 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 54
... phyllite , carbonaceous phyllite and quartzite separated by a conglomerate representing the erosional unconfor- mity . The younger metamorphics strike N60 ° -65 ° with steep dips mostly towards south . Fractures trending N60 ° W form ...
... phyllite , carbonaceous phyllite and quartzite separated by a conglomerate representing the erosional unconfor- mity . The younger metamorphics strike N60 ° -65 ° with steep dips mostly towards south . Fractures trending N60 ° W form ...
Page 86
... phyllite lies unconformably over the Singhbhum granite . The upper part of the phyllite is calcareous . In the western border where it overlies the rocks of the I.O.G. both the groups are folded together . The area had experienced three ...
... phyllite lies unconformably over the Singhbhum granite . The upper part of the phyllite is calcareous . In the western border where it overlies the rocks of the I.O.G. both the groups are folded together . The area had experienced three ...
Page 95
... phyllite , carbon phyllite and talc schist are exposed in the area . A se- quence of purple phyllite , balck slaty phyllite , carbon phyllite and variegated quartzite of the Daling serves as the chief host rocks for basemetal ores ...
... phyllite , carbon phyllite and talc schist are exposed in the area . A se- quence of purple phyllite , balck slaty phyllite , carbon phyllite and variegated quartzite of the Daling serves as the chief host rocks for basemetal ores ...
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amphibolite Andhra Pradesh anomaly anorthosite Archaean Asstt bands Banerjee basalt basemetal basin bauxite belt Bihar biotite boreholes Calcutta carried chalcopyrite charnockite clay coal conglomerate deposits depth dips district dolerite dolomite drilling dykes Eastern facies folds Formation fossils Gangpur geochemical Geol Surv Ind Geological Survey Geologist Jr Geology Division Geophysical geotechnical Ghosh gneiss Gondwana granite granite gneiss granulite Gupta Headquarters indicated intrusive investigated Kumar Laboratory laterite lava limestone line km Madhya Pradesh magnetite Mallampalli mapped metamorphism mineral mineralisation Mulug Murthy nala occur Orissa Pakhal pegmatite phyllite Precambrian Project pyrite quartz veins quartzite Rajasthan Rec Geol Surv region river S/Shri samples sand sandstone Sarkar scale schist seams sedimentary sediments sequence shale shear zone Shri Singh Singhbhum granite Sinha sq km sq km area Srivastava stratigraphic structures studies Sullavai Supergroup Survey of India tectonic thick traverse trending tunnel upto valley Vindhyan volcanic West Bengal