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 52
... surface a sub - surface examinations by trenching reveal that th does not exist any persistent mineralised band in t chlorite - quartz schist over any considerable stri length . The reported mineralised zones with injection of thin ...
... surface a sub - surface examinations by trenching reveal that th does not exist any persistent mineralised band in t chlorite - quartz schist over any considerable stri length . The reported mineralised zones with injection of thin ...
Page 52
... surface While collecting samples from the trenches , the floor of sub - surface examinations by trenching reveal that the concerned trench was thoroughly cleaned and chan- does not exist any persistent mineralised band in nel samples ...
... surface While collecting samples from the trenches , the floor of sub - surface examinations by trenching reveal that the concerned trench was thoroughly cleaned and chan- does not exist any persistent mineralised band in nel samples ...
Page 82
... surface water sources which may ultimately lead to health slag is being utilised as building materials and roa hazards in these areas . It is also becoming a source of metals . It is reported that although samples were draw pollution to ...
... surface water sources which may ultimately lead to health slag is being utilised as building materials and roa hazards in these areas . It is also becoming a source of metals . It is reported that although samples were draw pollution to ...
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