Soil profile development in vegetated uranium tailings

Abstract A promising long-term solution to uranium tailings reclamation has been the establishment of vegetation directly on the waste material. The soil profiles of areas vegetated for 0, 3, 8 and 10 years are characterized as to the extent of soil development. The characteristics are compared with the visually interpreted soil profile. Organic matter content is presently the best analytical judge of soil development. Vegetation procedures have produced a build-up of organic matter in the top 10cm of tailings where natural microbial populations flourish. The C:N ratio is high and the prof He depth shallow, suggesting the need for additional fertilizer applications.
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Publication: CIM Bulletin
Author(s): DAVID L ANDERSON
Keywords: Mineral investment, Foreign direct investment, Governments, Australia, Mining industry
Issue: 863
Volume: 77
Year: 1984
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Summary: A review of past and present biogeochemical studies is given.Early and more recent analytical procedures are described and compared.  Tables 1-5 give silver concentrations in various organs of some plant species at different localities. Table 6 and conclusions provide guidelines for exploring for silver using biogeochemistry.
Publication: CIM Bulletin
Author(s): H.V. WARREN, J.J. BARAKSO
Keywords: Biogeochemistry, Silver deposits, Mineralization, Atomic absorption, Spectrophotometry, Neutron activation
Issue: 863
Volume: 77
Year: 1984
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Summary: A group of 22 specimens originating from "Les Forges du St Maurice" has been systematically studied by chemical analysis and metallographic examination in order to determine their characteristics and to evaluate their metallurgical quality.
The bulk of the forged iron and steel samples are heterogeneous from both their microstructure and their chemical composition. Observation of a few finish products has permitted to establish that surface heat treating was applied although its...
Publication: CIM Bulletin
Author(s): M. FISET, T. VO VAN, A. GALIBOIS
Keywords: Slags, Wrought iron, Bloomery porcess, Pig iron, Charcoal finary
Issue: 863
Volume: 77
Year: 1984
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