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 37
... significant ; so is Cu- Pb in all but the sericite rich cataclasite . ( ii ) Co Ni show significant correlation in all the units suggesting their fixation in oxidic / chloritic phases . ( iii ) Muscovite - quartz schist shows significant ...
... significant ; so is Cu- Pb in all but the sericite rich cataclasite . ( ii ) Co Ni show significant correlation in all the units suggesting their fixation in oxidic / chloritic phases . ( iii ) Muscovite - quartz schist shows significant ...
Page 38
... Significant . granite . 43 - III A Extensive Point W : 400 ppm Sericite - Granite ferrugination . Within the ground magnetic anomaly Sporadic but significant anomaly . 15 - III A Point Pb : 370 ppm Riebeckite Granite Soil covered Nil ...
... Significant . granite . 43 - III A Extensive Point W : 400 ppm Sericite - Granite ferrugination . Within the ground magnetic anomaly Sporadic but significant anomaly . 15 - III A Point Pb : 370 ppm Riebeckite Granite Soil covered Nil ...
Page 39
... significant 17 - III A Point Pb : 335 ppm Muscovite - quartz- Nil Nil schist 21 - III A Point -do- Soil covered Nil ... Significant . 41 - III A 250m -do- Leaching ; specks Cu : 1000 ppm & dissemination of sulphides Feeble I. P. response ...
... significant 17 - III A Point Pb : 335 ppm Muscovite - quartz- Nil Nil schist 21 - III A Point -do- Soil covered Nil ... Significant . 41 - III A 250m -do- Leaching ; specks Cu : 1000 ppm & dissemination of sulphides Feeble I. P. response ...
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