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 15
... represented feldspathised chlorite quartz schist , sericite schist , Isto - mylonitic quartzo - feldspathic schist with bands tzite . Similar to Turamdih sector , here also , the one rocks gradually pass into metamorphites of grade i.e. ...
... represented feldspathised chlorite quartz schist , sericite schist , Isto - mylonitic quartzo - feldspathic schist with bands tzite . Similar to Turamdih sector , here also , the one rocks gradually pass into metamorphites of grade i.e. ...
Page 26
... represented by a sequence of metapelites , psammites , metamorphosed calc silicate rocks , metabasites , dolerites ... represented by porphyroblastic granite gneiss , biotite granite , composite gneiss , migmatites , garnetiferous ...
... represented by a sequence of metapelites , psammites , metamorphosed calc silicate rocks , metabasites , dolerites ... represented by porphyroblastic granite gneiss , biotite granite , composite gneiss , migmatites , garnetiferous ...
Page 59
... representing the lower member of " Chaibasa Formation " . Introduction area under discussion forms a well represented of the Precambrians in southeastern extremity of anjori basin across the popularly known Singh- ' shear zone " . their ...
... representing the lower member of " Chaibasa Formation " . Introduction area under discussion forms a well represented of the Precambrians in southeastern extremity of anjori basin across the popularly known Singh- ' shear zone " . their ...
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