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2 results

  • 1 - Electronic Spectra of Minerals in the Visible and Near-Infrared Regions

  • from Part I - Theory of Remote Compositional Analysis Techniques and Laboratory Measurements
  • Edited by Janice L. Bishop, James F. Bell III, Arizona State University, Jeffrey E. Moersch, University of Tennessee, Knoxville
  • Book:
    Remote Compositional Analysis
    Published online:
    15 November 2019
    Print publication:
    28 November 2019, pp 3-20

  • Summary

    A variety of features in the visible and near-infrared regions that are observed in remote sensing applications are the result of electronic transitions, typically involving cations of transition metals, most commonly Fe and Ti, or the molecular species S. The position and intensity of these features are sensitive not only to the particular cation, but also to its oxidation state, the particular phase in which it occurs, the geometric structure of the site that it occupies, and interactions between and among neighboring cations. Often these features are diagnostic for the host mineral.