Records of the Geological Survey of India, Volume 113, Part 3The Survey, 1985 - Earthquakes Vols. 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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Page 34
... sericite is noted in sericite granite and this hosts galena occurrence . Hydrothermal off - shoots from the granites include some mineralised silicified rock , which follow a strike slip fault zone . Close to the northern contact of the ...
... sericite is noted in sericite granite and this hosts galena occurrence . Hydrothermal off - shoots from the granites include some mineralised silicified rock , which follow a strike slip fault zone . Close to the northern contact of the ...
Page 36
... sericite - granite , the Ni - Co associatio apparently fixed in magnetite . Cu - Pb associat divorced from Ni - Co suggest that they are hosted wi felspars or occur as complex sulphides . Thus the sericite granite appear to be metallo ...
... sericite - granite , the Ni - Co associatio apparently fixed in magnetite . Cu - Pb associat divorced from Ni - Co suggest that they are hosted wi felspars or occur as complex sulphides . Thus the sericite granite appear to be metallo ...
Page 70
... seri- cite and post - kinematic biotite with accessory chlorite , felspar and iron - oxides . At the contact between sericite - phyllite and carbon- phyllite the bands are rich in sericite and carbon . Selection of Methodology The ...
... seri- cite and post - kinematic biotite with accessory chlorite , felspar and iron - oxides . At the contact between sericite - phyllite and carbon- phyllite the bands are rich in sericite and carbon . Selection of Methodology The ...
Contents
Structural evolution of Precambrians in parts of north Singhbhum BiharA Gupta | 13 |
Geology and mineralisation along the northern shear zone Purulia district West | 25 |
BengalAn upto date appraisalM N Kumar N Das and S Das Gupta | 33 |
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Common terms and phrases
anomaly zone antiform apatite assemblage axial plane axis bands Barakar Formation Baripada Basu Beldih belt Bihar biotite carbon-phyllite Cataclasite Chaibasa Chaibasa Formation chlorite chlorite schist horizon conglomerate contours copper Dalma syncline deformation Dhanjori dipping district domains Dubrajpur Formation Dulmi F₁ F₂ feldspars folds foliation fraction geochemical Geol Geological Survey geophysical Ghosh gneiss grains granite granite gneiss granitic rocks Gupta hill hornblende Kandra Kutni kyanite limestone lineation magnetite metamorphic mica schists migmatites mineral mineralisation muscovite Northern Shear Zone occur Orissa panned heavy pelitic phyllite plagioclase planar Plate plunging Precambrian puckers pyrite quartz quartzite Rajmahal Rangpo Records Volume 113 regional S₁ plots S₂ samples Sarkar Sarwan Pahar section schist schistosity sector sequence sericite Shear Zone silicified Singhbhum Singhbhum Shear Zone springs stratigraphic stream sediment structural Subarnarekha river sulphide Surv Survey of India tectonic tectonite trench Turamdih upto