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 79
... MINING. Introduction The exploitation of mineral resources through surface or underground mining is invariably associated with a number of wide ranging environmental problems depen- ding upon the type of resources and the extraction tech ...
... MINING. Introduction The exploitation of mineral resources through surface or underground mining is invariably associated with a number of wide ranging environmental problems depen- ding upon the type of resources and the extraction tech ...
Page 80
... mined from under- ground mines at Mosabani , Pathargora , Surda , Kendadi and Rakha . The mining methods being practised in these areas include , breast stoping , block and fill stop ing , post pillar stoping and horizontal cut and fi ...
... mined from under- ground mines at Mosabani , Pathargora , Surda , Kendadi and Rakha . The mining methods being practised in these areas include , breast stoping , block and fill stop ing , post pillar stoping and horizontal cut and fi ...
Page 83
... mining activities in this tract , many people are being employed and most of the mining centres being far from important townships , new townships are gradually coming up in close proxi- ity of the mining centres . For development of ...
... mining activities in this tract , many people are being employed and most of the mining centres being far from important townships , new townships are gradually coming up in close proxi- ity of the mining centres . For development of ...
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