Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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... iron ore bearing formation of Badam- pahar and Gorumahisani , contrary to the views held till then , were not of the same age as the iron ore bearing formations of the Barabil area of the Singh- bhum and Keonjhar districts , but ...
... iron ore bearing formation of Badam- pahar and Gorumahisani , contrary to the views held till then , were not of the same age as the iron ore bearing formations of the Barabil area of the Singh- bhum and Keonjhar districts , but ...
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... iron , all iron reported as ferric iron oxide in the Chalk Hills amphibole may be considered to represent the total ferric iron content itself , in which case the ferric iron oxide content of no member of the series is comparable to ...
... iron , all iron reported as ferric iron oxide in the Chalk Hills amphibole may be considered to represent the total ferric iron content itself , in which case the ferric iron oxide content of no member of the series is comparable to ...
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... iron ore rich in hematite gradually passes to banded magnetite chert / quartzite towards depth through an intermediate stage of banded hematite chert / quartzite . In the unaltered zone iron mineral is represented by predo- minantly ...
... iron ore rich in hematite gradually passes to banded magnetite chert / quartzite towards depth through an intermediate stage of banded hematite chert / quartzite . In the unaltered zone iron mineral is represented by predo- minantly ...
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