Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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Page 11
... lower than the average for ultrabasic rock as recorded by Turekian and Wedepohl . 1 • Cobalt : Recent estimates of average values of Co in basaltic rocks are 48 ppm ( Turekian and Wedepohl , 1961 ) and 35 ppm ( Unksov and Ledochinakova ...
... lower than the average for ultrabasic rock as recorded by Turekian and Wedepohl . 1 • Cobalt : Recent estimates of average values of Co in basaltic rocks are 48 ppm ( Turekian and Wedepohl , 1961 ) and 35 ppm ( Unksov and Ledochinakova ...
Page 23
... lower and upper boundary surfaces are found to be erosional , nearly horizontal and planar or slightly irregular . The irregularity at the lower surface is due to erosion of ripple bedded units before sedi- mentation of the horizontal ...
... lower and upper boundary surfaces are found to be erosional , nearly horizontal and planar or slightly irregular . The irregularity at the lower surface is due to erosion of ripple bedded units before sedi- mentation of the horizontal ...
Page 1-11
... Lower Gondwana sediments is known from the western part of the Shillong Plateau since 1932. On the evidence of plant fossils , Fox ( 1934 ) thought that the Singrimari sandstones belong to the Lower Gondwana age and assigned them to the ...
... Lower Gondwana sediments is known from the western part of the Shillong Plateau since 1932. On the evidence of plant fossils , Fox ( 1934 ) thought that the Singrimari sandstones belong to the Lower Gondwana age and assigned them to the ...
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