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 27
... east along the Shear Zone . The present work has revealed that in the eastern sector , near Kutni , rocks of green schist facies ( phyllites ) and amphibolite facies ( garnet , staurolite bearing mica schists , diopside in calc silicate ...
... east along the Shear Zone . The present work has revealed that in the eastern sector , near Kutni , rocks of green schist facies ( phyllites ) and amphibolite facies ( garnet , staurolite bearing mica schists , diopside in calc silicate ...
Page 64
... east of Khejurdari . Though widespread occurrence of kyanite is reported from within Chaibasa Formation in the vicinity of the entire length of the " Shear Zone " , for the first time the association of kyanite and black chert in a ...
... east of Khejurdari . Though widespread occurrence of kyanite is reported from within Chaibasa Formation in the vicinity of the entire length of the " Shear Zone " , for the first time the association of kyanite and black chert in a ...
Page 80
... east and east is a gently undulating to gently sloping pedi- plain , merging with the alluvial valley - lls adjoining the Subarnarekha river . Although there are local slope direc- tions the master slope of the terrain is towards SE ...
... east and east is a gently undulating to gently sloping pedi- plain , merging with the alluvial valley - lls adjoining the Subarnarekha river . Although there are local slope direc- tions the master slope of the terrain is towards SE ...
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