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 59
... group of lineations ( L. ) defined by stretched amygdules , longest axes of conglomerate pebbles , mineral lineations and stripping ( S./S1-intersection ) are genetically related to this early deformation . The second defor- mation has ...
... group of lineations ( L. ) defined by stretched amygdules , longest axes of conglomerate pebbles , mineral lineations and stripping ( S./S1-intersection ) are genetically related to this early deformation . The second defor- mation has ...
Page 65
... Group ( Sarkar and Saha , 1962 ) and older Dhanjori Group as the break is marked by the presence of a con- glomerate in every case between two litho units of the above mentioned Groups depending upon their develop- ment . It is ...
... Group ( Sarkar and Saha , 1962 ) and older Dhanjori Group as the break is marked by the presence of a con- glomerate in every case between two litho units of the above mentioned Groups depending upon their develop- ment . It is ...
Page 100
... Group ) was stratigraphi- cally equivalent of Upper Panchets . Later , Blanford ( 1861 ) included this ' grits and conglomerates ' within ' Rajmahal Group ' . Ball ( 1877 ) also termed this unit as ' Dubrajpur Group ' and described it ...
... Group ) was stratigraphi- cally equivalent of Upper Panchets . Later , Blanford ( 1861 ) included this ' grits and conglomerates ' within ' Rajmahal Group ' . Ball ( 1877 ) also termed this unit as ' Dubrajpur Group ' and described it ...
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