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. |
From inside the book
Results 1-3 of 36
Page 5
... occur in minor amounts . Some of the sections show a later chloritisation of hornblende and saussuritisation of plagioclase . Pelitic schists Like all other parametamorphics , the metapelitic rocks of the area also occur as bands and ...
... occur in minor amounts . Some of the sections show a later chloritisation of hornblende and saussuritisation of plagioclase . Pelitic schists Like all other parametamorphics , the metapelitic rocks of the area also occur as bands and ...
Page 30
... occurs as a kyanite - quartz within quartz mica schists ( with / without kyanite , s lite , garnet and sillimanite , intruded by metabasic Granitic rocks occur to the north of the area . K quartz rocks occur as discontinuous lenses ...
... occurs as a kyanite - quartz within quartz mica schists ( with / without kyanite , s lite , garnet and sillimanite , intruded by metabasic Granitic rocks occur to the north of the area . K quartz rocks occur as discontinuous lenses ...
Page 34
... occur as angular shapes perhaps reflecting emplacement pari passu with shearing movement ( Plate I ) . These angular blocks are made up of ( i ) riebeckite granite , and ( iii ) sericite granite . They are subjected to intense shearing ...
... occur as angular shapes perhaps reflecting emplacement pari passu with shearing movement ( Plate I ) . These angular blocks are made up of ( i ) riebeckite granite , and ( iii ) sericite granite . They are subjected to intense shearing ...
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 |
9 other sections not shown
Other editions - View all
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