Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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Page 8
... represented by Newer Dolerites traversing Singhbhum granite . The Dhanjori volcanics are a series of extrusive and intrusive rocks . The extrusive types are represented by basaltic lava ( altered to epidiorite ) . The basalts are ...
... represented by Newer Dolerites traversing Singhbhum granite . The Dhanjori volcanics are a series of extrusive and intrusive rocks . The extrusive types are represented by basaltic lava ( altered to epidiorite ) . The basalts are ...
Page 73
... represented by mica schists and quartz mica schist , show quartz- muscovite biotite sillimanite almandine - plagioclase · · assemblages . The calcareous rocks are represented by the calc - gneisses and hornblende bearing garne- tiferous ...
... represented by mica schists and quartz mica schist , show quartz- muscovite biotite sillimanite almandine - plagioclase · · assemblages . The calcareous rocks are represented by the calc - gneisses and hornblende bearing garne- tiferous ...
Page
... represented by 9 families are present while in Shella , 19 taxa represented by 12 families have been identi- fied ; the genus Alveolina being abundant . The assemblage , as a whole indicates that 10 taxa , 8 fami- lies and 4 species of ...
... represented by 9 families are present while in Shella , 19 taxa represented by 12 families have been identi- fied ; the genus Alveolina being abundant . The assemblage , as a whole indicates that 10 taxa , 8 fami- lies and 4 species of ...
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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Common terms and phrases
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