A possible mechanism of wall-rock hematitization in uranium deposits: Radiation-induced oxidation of ferrous ion.

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  • Min M.-Z.
    Department of Earth Sciences, Nanjing University
  • Katsumura Y.
    Department of Quantum Engineering and Systems Science, Graduate school of Engineering, The University of Tokyo

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  • possible mechanism of wall-rock hematit

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In order to evaluate the possibility of radiation-induced wall-rock hematitization of moderate low-temperature hydrothermal uranium deposits, simulating experiments on the radiation-induced oxidation of ferrous iron with gamma-rays have been conducted in aqueous solutions at 25 and 200°C. The results show that the groundwater radiolysis is capable of oxidizing ferrous to ferric iron which will subsequently precipitate as iron oxy-hydroxides.

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