Records of the Geological Survey of India, Volume 113, Parts 2-4Government of India, 1983 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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... schist ( or phyllite , occasionally magnetite bearing in the footwall side ) but the field relation could not be estab . lished . The chlorite - quartz - schist has been intruded by a number of quartz - veins which are milky white and ...
... schist ( or phyllite , occasionally magnetite bearing in the footwall side ) but the field relation could not be estab . lished . The chlorite - quartz - schist has been intruded by a number of quartz - veins which are milky white and ...
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... schist can be traced for a strike length of about 10 km within the metavolcanics from west of Kanyaluka to west of Hurugutu . Chaibasas The Dhanjoris are followed to the NE by the chlorite- biotite - quartz schist with a sharp contact ...
... schist can be traced for a strike length of about 10 km within the metavolcanics from west of Kanyaluka to west of Hurugutu . Chaibasas The Dhanjoris are followed to the NE by the chlorite- biotite - quartz schist with a sharp contact ...
Page 85
... schist , sillimanite - biotite ( cordierite ) -schist and sillimanite quartzite , all the three types showing mutually gradational contacts . The sillimanite quartz - schist exhibits a well deve- loped foliation defined by alternate ...
... schist , sillimanite - biotite ( cordierite ) -schist and sillimanite quartzite , all the three types showing mutually gradational contacts . The sillimanite quartz - schist exhibits a well deve- loped foliation defined by alternate ...
Contents
A Probable Zone of Carbonatite and Fenitic Rock Association | 7 |
Quantitative Correlation of Cyclic Stratigraphic Sequences | 17 |
On the Fossiliferous Ordovician Rocks of Black Mountain | 35 |
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Common terms and phrases
alkali anomaly apatite Arunachal assemblage associated axial bands Beldih belt Bhutan Bihar biotite bore holes borehole Carbonaceous carbonatite Chaibasa chert chlorite chlorite schist chromite coal seam Coarse sandstone complex contours correlation Dalma Deccan basalts deformation deposits depth developed Dhanjori district Dubrajpur Dubrajpur Formation Eastern exploration F₁ fault feldspars folds foliation fossils geochemical Geol Geological Survey Ghosh gneiss Gondwana grade grains granite gneiss grey Group Hills Himalaya host rock ijolite limestone lineation magnetite Manipur Medium sandstone metamorphism metres migmatites mineralisation minerals muscovite nepheline Northern Shear Zone occur olivine ophiolite phyllites plagioclase Plate plunging Pradesh Precambrian pyrite quartz quartzite regional rock types S₁ S₂ samples sandstone Sarkar schist schistosity sector sedimentary sequence sericite serpentinite shale sillimanite Singhbhum stratigraphic structural studies sulphide Surv Survey of India tectonic texture thickness tholeiites tion trending ultramafic upto veins volcanic