Clays and Clay Minerals

, Volume 11, Issue 1, pp 84–94 | Cite as

Solid-Gas Interface in Weathering Reactions

  • Cooper H. Wayman
Symposium on Clay Mineral Transformation


Most weathering reactions have been interpreted in terms of the solid-liquid interface. In dry climates or at low humidity, weathering might be initiated or controlled by a solid-gas reaction. The stability of gibbsite and some hydrous borates involves the activity of water vapor; and the stability of azurite depends on a ratio of the partial pressures of both water vapor and carbon dioxide. Much additional work is required on the rates of equilibrium dehydration to contribute to our knowledge of the solid-gas interface in weathering.


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Copyright information

© The Clay Minerals Society 1962

Authors and Affiliations

  • Cooper H. Wayman
    • 1
  1. 1.U.S. Geological SurveyDenver Federal CenterDenverUSA

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