Records of the Geological Survey of India, Volume 117, Issues 1-2Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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... biotite ) and the zone of migmatites . This last group is described separately in the next chapter . From the geological map it would be seen that the schistose rocks occur at altitudes lower than occupied by the gneisses ; it is ...
... biotite ) and the zone of migmatites . This last group is described separately in the next chapter . From the geological map it would be seen that the schistose rocks occur at altitudes lower than occupied by the gneisses ; it is ...
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... biotite , hornblende , sphende , apatite , zircon , iron ore ( magnetite ) , epidote - zoisite , minor plagioclase and quartz ; mutual interference arrangement ( or decussate aggregates ) of biotite dominates the texture of the spots ...
... biotite , hornblende , sphende , apatite , zircon , iron ore ( magnetite ) , epidote - zoisite , minor plagioclase and quartz ; mutual interference arrangement ( or decussate aggregates ) of biotite dominates the texture of the spots ...
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... biotite - quartz schist , locally almost gneissose phyllite , ( iii ) fine - grained biotite - albite - microcline quartzite , already described , ( iv ) tremolite - calcite - zoisite - quartzite , ( v ) chlo- ritoid - biotite ...
... biotite - quartz schist , locally almost gneissose phyllite , ( iii ) fine - grained biotite - albite - microcline quartzite , already described , ( iv ) tremolite - calcite - zoisite - quartzite , ( v ) chlo- ritoid - biotite ...
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Common terms and phrases
alignment amphibolite analysis Andhra Pradesh anomaly Asstt Attended bands basalt basin bed rock belt Bihar Bijawar biotite block boreholes Bundelkhand Calcutta carried Chakraborty charnockite collected conglomerate covering an area Deccan Trap depth dips Director district Division dolerite dykes exposed feldspar folds foliation Formation geochemical geological mapping Geologist Jr geophysical geotechnical Ghosh glacier gneiss Gneissic Complex Gondwana grade grained granite granite gneiss granitoid Gupta Headquarters Hydel Project Hyderabad indicated iron-formation Jaipur Kumar limestone line km located logging Lucknow magnetite mapped an area massif metamorphism mica microcline migmatites mineral mineralisation Nagpur nala NE-SW NW-SE pegmatites phyllites plagioclase plutons porphyritic power house quartz quartz veins quartzite regional river rock types S/shri samples sandstone scale schist sediments shale Sharma shear Shillong Shillong Group Shri Singh slide slope spillway sq km Srivastava strike length studies surface surveys thick tion tonnes toposheet trending tunnel upto zone