Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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Page 73
... present on the fractures and cracks of the garnet , and shows presence of manganese on chemical test . The garnet ( Table - 1 ) has a high refractive index ( n - 1 . 860 0.002 ) , and large ± unit cell edge ( a = 11.93 A ° ) . From ...
... present on the fractures and cracks of the garnet , and shows presence of manganese on chemical test . The garnet ( Table - 1 ) has a high refractive index ( n - 1 . 860 0.002 ) , and large ± unit cell edge ( a = 11.93 A ° ) . From ...
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... Present Work The present collection was made from the ferru- ginous black shales exposed on the south bank of a nala at culvert point C 38/3 along Kimin - Ziro Road . The stratigraphic succession in S - N direction at this locality is ...
... Present Work The present collection was made from the ferru- ginous black shales exposed on the south bank of a nala at culvert point C 38/3 along Kimin - Ziro Road . The stratigraphic succession in S - N direction at this locality is ...
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... present a spectacular sight of extensive serpentinisation while evidences of transformation of olivine to amphibole through pyroxene are present in the pyroxenites and hornblendite . However , fresh olivine along with augite and potash ...
... present a spectacular sight of extensive serpentinisation while evidences of transformation of olivine to amphibole through pyroxene are present in the pyroxenites and hornblendite . However , fresh olivine along with augite and potash ...
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