1. Awwiller D.N. (1993) Illite/smectite formation and potassium mass transfer during burial diagenesis of mudrocks: A study from the Texas Gulf Coast Paleocene-Eocene.J. Sed. Petrology 63, 501?512.
2. Borevsky L.V., Vantanyan G.S. and Kulikov T.B. (1984) Hydrogeological Essay. InThe Superdeep Well of the Kola Peninsula (ed. Y.A. Kozlovsky), pp. 271?287. Springer-Verlag, Berlin.
3. Condie K.C. (1993) Chemical composition and evolution of the upper continental crust: Contrasting results from surface samples and shales.Chemical Geology 104, 1?37.
4. DeMille G., Shouldice J.R. and Nelson H.W. (1964) Collapse structures related to evaporites of the Prairie Formation, Saskatchewan.Bull. Geol. Soc. America 75, 307?316.
5. Drever J.I., Li Y.-H. and Maynard J.B. (1988) Geochemical cycles: The continental crust and the oceans. InChemical cycles in the evolution of the Earth (ed. C.B. Gregor, R.M. Garrels, F.T. Mackenzie and J.B. Maynard), pp. 17?53. John Wiley & Sons, New York.