Records of the Geological Survey of India, Volume 107The Survey, 1976 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 5
... structures noted are axes of crenulation , drag folds and minor folds , mineral alignment and slickenside . Axes of crenulation and minor folds have two major directions , one plunging to NNW and the other towards west . The schistose ...
... structures noted are axes of crenulation , drag folds and minor folds , mineral alignment and slickenside . Axes of crenulation and minor folds have two major directions , one plunging to NNW and the other towards west . The schistose ...
Page 52
... structures are not detected so far on large scale , but the latter two are well represented . The regional schistosity , essentially parallel to the bedding , belongs to the second generation isoclinal folds which are flattened flexure ...
... structures are not detected so far on large scale , but the latter two are well represented . The regional schistosity , essentially parallel to the bedding , belongs to the second generation isoclinal folds which are flattened flexure ...
Page 162
... structural features of the greenstone belts indicate that no large scale holomorphic com- pressional structures are evident in the belts and the deformation has been less intense . The structures appear to be induced mainly by 162.
... structural features of the greenstone belts indicate that no large scale holomorphic com- pressional structures are evident in the belts and the deformation has been less intense . The structures appear to be induced mainly by 162.
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amphibolite Andhra Pradesh Archaean bands basalt basin bauxite beds Bihar biotite block boreholes carried chalcopyrite chlorite clay Coalfield conglomerate copper cores Deccan Trap Delhi deposits depth Director district Division dolerite drilling epidote exposed felspar folds formation fossil galena geochemical Geol geological mapping Geological Survey Geologists Jr geophysical Ghosh Glossopteris Glossopteris flora gneiss gneissic complex Gondwana grade grained granite gneiss greenish greenstone belts grey Group hill holes horizon indicated investigation Kashmir Kurnool laterite limestone Lower mapped an area metamorphism mineralisation minerals occur Panjal trap pegmatite phyllite pits Project pyrite quartz quartz veins quartzite Quaternary Rajasthan Raniganj regional river rock types samples sand sandstone Sarvashri scale schist schistose seams sediments shale shear zone Shri Singh Siwalik spillway sq km Srivastava stratigraphic studies sulphide Survey of India thickness traverse trending tunnel unconformity Upper upto valley varies Vindhyan