Abstract

Recent social needs, for the contribution of mineralogy to environmental problems such as the geological disposal of radioactive wastes, force mineralogical sciences to develop new methodologies and approaches capable of predicting geochemical dynamic processes. Visible-near infrared-infared microspectroscopy is expected to provide data on chemical forms of elements in real rocks. Based on these data, reaction path modeling of element migration and fixation can be made. Much more data on reaction kinetics, especially precipitation and crystallization rates, are necessary. Diffusion of elements through pore waters between and in real minerals is also important.

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