Records of the Geological Survey of India, Volume 112, Parts 3-5The Survey, 1982 - Earthquakes |
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Page 8
... bands of ultrabasic and gabbroic rocks . The description of the rock types are given below : - Epidiorite : There are two types of Dhanjori epidiorite viz . schistose and massive ; the schistose variety mostly found in the vicinity of ...
... bands of ultrabasic and gabbroic rocks . The description of the rock types are given below : - Epidiorite : There are two types of Dhanjori epidiorite viz . schistose and massive ; the schistose variety mostly found in the vicinity of ...
Page 25
... bands - all trending ENE - WSW ( Plate I ) . The disposition of the bands indicates macroscopic structural closures and inter- ference of major folds . The metasedimentary belt of Rajgir , where a palaeogeodynamic study was carried out ...
... bands - all trending ENE - WSW ( Plate I ) . The disposition of the bands indicates macroscopic structural closures and inter- ference of major folds . The metasedimentary belt of Rajgir , where a palaeogeodynamic study was carried out ...
Page 73
... bands . In the calc- gneisses , hornblende is not discernible megascopically and the rock is characterised by alternating diopsidic and quartzo - feldspathic bands , the diopsidic bands containing variable proportion of calcite . While ...
... bands . In the calc- gneisses , hornblende is not discernible megascopically and the rock is characterised by alternating diopsidic and quartzo - feldspathic bands , the diopsidic bands containing variable proportion of calcite . While ...
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