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 13
... belt covering the entire width of Precambrian pile lying between Chotanagpur crystallines in the north and Singhbhum granite in the south . The comprehensive tectonic framework of the area emerging from detailed structural analysis of ...
... belt covering the entire width of Precambrian pile lying between Chotanagpur crystallines in the north and Singhbhum granite in the south . The comprehensive tectonic framework of the area emerging from detailed structural analysis of ...
Page 14
... belt was considered to be reverse due to extreme overfolding and thrusting of the northern Chaibasa rocks over the southern Iron Ore Stage rocks along the much discussed Singhbhum Shear Zone , thrust belt . Sarkar and Saha ( 1962 , 1963 ) ...
... belt was considered to be reverse due to extreme overfolding and thrusting of the northern Chaibasa rocks over the southern Iron Ore Stage rocks along the much discussed Singhbhum Shear Zone , thrust belt . Sarkar and Saha ( 1962 , 1963 ) ...
Page 79
... BELT , SINGHBHUM , BIHAR ( With Plate I ) S. ROY CHOUDHURY Geological Survey of India ABSTRACT Preliminary studies of the environmental situation in the Singhbhum Copper belt reveal that certain amount of defacement and pollution of the ...
... BELT , SINGHBHUM , BIHAR ( With Plate I ) S. ROY CHOUDHURY Geological Survey of India ABSTRACT Preliminary studies of the environmental situation in the Singhbhum Copper belt reveal that certain amount of defacement and pollution of 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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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