Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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Page 5
... schist , calc - epidote mica . schist , sandstone - quartzite and conglomerate Disconformity Upper carbonaceous slates , phyllites and schists Lower Banded carbonaceous quartzites Upper - dolomitic marble , sandstone - quartzite ...
... schist , calc - epidote mica . schist , sandstone - quartzite and conglomerate Disconformity Upper carbonaceous slates , phyllites and schists Lower Banded carbonaceous quartzites Upper - dolomitic marble , sandstone - quartzite ...
Page 5
... Schist Biotite phyllite Biotite phyllite Kolhan phyllite Phyllite Shale ( Kolhan ) Koira Group : * Phyllite K / Ar ... Schist K / Ar . 838-31 Ma . ( Min ) 852 25 Ma . ( Min ) 39 91 99 885 Ma . ( Min ) 9 / 905 Ma , ( Min ) 99 97 942 31 Ma ...
... Schist Biotite phyllite Biotite phyllite Kolhan phyllite Phyllite Shale ( Kolhan ) Koira Group : * Phyllite K / Ar ... Schist K / Ar . 838-31 Ma . ( Min ) 852 25 Ma . ( Min ) 39 91 99 885 Ma . ( Min ) 9 / 905 Ma , ( Min ) 99 97 942 31 Ma ...
Page 15
schists , chlorite schists and the associated meta- volcanics occur as xenoliths . The interbedded sequence of quartzites ... schist ( Garnet and staurolite - bearing ) with occasional lenses of calc - silicate and calc - gneiss rock and ...
schists , chlorite schists and the associated meta- volcanics occur as xenoliths . The interbedded sequence of quartzites ... schist ( Garnet and staurolite - bearing ) with occasional lenses of calc - silicate and calc - gneiss rock and ...
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