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 28
... deposits of apatite and some small deposits of refractory minerals at several places along the Northern Shear Zone . In the sections to follow , the authors take up each of these deposits for discussion with reference to mode of ...
... deposits of apatite and some small deposits of refractory minerals at several places along the Northern Shear Zone . In the sections to follow , the authors take up each of these deposits for discussion with reference to mode of ...
Page 29
... deposit : About 3 km east of Beldih and lowing the strike of the Beldih ore body , a few small posures and boulders of ... deposits do not appear to be of commercial value . " Dunn ( 1937 ) reported the Tamakhun ( 22 ° 59′20 ′′ : 86 ° 35 ...
... deposit : About 3 km east of Beldih and lowing the strike of the Beldih ore body , a few small posures and boulders of ... deposits do not appear to be of commercial value . " Dunn ( 1937 ) reported the Tamakhun ( 22 ° 59′20 ′′ : 86 ° 35 ...
Page 49
... deposits and lode or vein deposits . But there no promising deposit of the former type on large scale Working in India and lode - deposits of gold are also very restricted in occurrence , viz , Kolar and Hutti Gold fields , Karnataka ...
... deposits and lode or vein deposits . But there no promising deposit of the former type on large scale Working in India and lode - deposits of gold are also very restricted in occurrence , viz , Kolar and Hutti Gold fields , Karnataka ...
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