Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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Page 18
... fold movement . c ) Mesoscopic folds are prominent in the phyllites , carbon phyllites , mica schists and dolomitic marbles . In the Tamra area , a plot of the crinkles and mesoscopic folds from the incompetent shales and carbon ...
... fold movement . c ) Mesoscopic folds are prominent in the phyllites , carbon phyllites , mica schists and dolomitic marbles . In the Tamra area , a plot of the crinkles and mesoscopic folds from the incompetent shales and carbon ...
Page 26
... fold geometry and structure - stratigraphic relations . Regional folds are also very clearly and prominently defined by this resistant formation ( Plates II and IV ) . Of the two generations of folds , the earlier folds ( F ) are more ...
... fold geometry and structure - stratigraphic relations . Regional folds are also very clearly and prominently defined by this resistant formation ( Plates II and IV ) . Of the two generations of folds , the earlier folds ( F ) are more ...
Page 31
... folds ( with tangential longitudinal strain ) explains all the features associated with the F1 folds . Macroscopically , these folds comprise a moderately compressed central anticline , flanked by two narrow synclines , all trending NE ...
... folds ( with tangential longitudinal strain ) explains all the features associated with the F1 folds . Macroscopically , these folds comprise a moderately compressed central anticline , flanked by two narrow synclines , all trending NE ...
Contents
The evolution of the ArchaeanProterozoic Crust in parts of Bihar | 1 |
Some aspects of the geochemistry of Dhanjori Volcanics Singhbhum District | 7 |
Geology and Structure of Southern GangpurBonaigarh Region Sundargarh | 13 |
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Alluvium Arunachal Assam assemblage axial bands Barail barytes basaltic basin beds Bihar biotite borehole Chalk Hills chlorite clay coal coalfield conglomerate Cretaceous Cuddapah deposits depth Dhanjori diamictite Disang district dolerite drilling dykes Eocene epidiorite Eurydesma exposed facies faults fauna folds Formation fossil fractures Gangpur garnet Garo Hills Geol geological mapping Geological Survey gibbsite gneisses Gondwana grains granite Group hematite hornblende India indicate iron Jaintia Karharbari Kerala laterite limestone lode magnesite Mahadeo Meghalaya metamorphism metres mineralisation minerals Miocene occur olivine oxides peridotites phyllite plagioclase Plate Pradesh present pyrite pyroxene quartz quartzite Rajgir range recorded region rocks samples sand sandstone schist seam sedimentary sediments sequence shales shear zone shonkinite stratigraphic structural studies sulphide surface Surma Surv Survey of India Tertiary thickness Tipam traverse trend Tripura ultrabasic ultramafic Unconformity Unpublished GSI Report Upper upto uranium veins