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 63
... schist can be traced for a strike length of about 10 m 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 m 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 65
... schist , this chlorite schist horizon is sugges- ted to be included as the lower most member of the Chaibasa Formation of Sarkar and Saha ( 1962 ) . 4. Though there has been no structural break or discontinuity on either side of the ...
... schist , this chlorite schist horizon is sugges- ted to be included as the lower most member of the Chaibasa Formation of Sarkar and Saha ( 1962 ) . 4. Though there has been no structural break or discontinuity on either side of the ...
Page 95
... schist associated with the Calc - schist unit suggest a possible temporal relationship between mafic- ultramafic volcanism and the ore bearing carbonate sedimentation . Introduction There are few small old workings in the area around ...
... schist associated with the Calc - schist unit suggest a possible temporal relationship between mafic- ultramafic volcanism and the ore bearing carbonate sedimentation . Introduction There are few small old workings in the area around ...
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