Dear Delia,

Here are some useful references for mineral-water systems.
Best wishes,
Attila
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Graham, C.M., Harmon, R.S., Sheppard, S.M.F. (1984): Experimental
hydrogen isotope studies: hydrogen exchange between amphibole and water.
American Mineralogist, 69, 128-138.

Kotzer et al. (1993): An empirical oxygen- and hydrogen -isotope
geothermometer for quartz-tourmaline and tourmaline-water. Geochimica et
Cosmochimica Acta, 57, 3421-3426.

Graham, C.M., Viglino, J.A. and Harmon, R.S., 1987. Experimental study of
hydrogen-isotope exchange between aluminous chlorite and water and of
hydrogen diffusion in chlorite. Am. Mineral., 72: 566-579.

Graham, C.M. (1981): Experimental hydrogen isotope studies: Diffusion of
hydrogen in hydrous minerals, and stable isotope exchange in metamorphic
rocks. Contrib. Mineral. Petrol., 76, 216-228.

Sheppard SMF, Gilg HA (1996) Stable isotope geochemistry of clay
minerals. Clay Minerals 31: 1-24.

Vennemann, T.W. and O'Neil, J.R. (1996): Hydrogen isotope exchange
reactions between hydrous minerals and molecular hydrogen: I. A new
approach for the determination of hydrogen isotope fractionation at moderate
temperatures. Geochim. Cosmochim. Acta, 60, 2437-2451.

Gilg, H.A. and Sheppard, S.M.F. (1996): Hydrogen isotope fractionation
between kaolinite and water revisited. Geochim. Cosmochim. Acta, 60,
529-533.

Delgado, A. and Reyes, E. (1996): Oxygen and hydrogen isotope
compositions in clay minerals: A potential single-mineral geothermometer.
Geochim. Cosmochim. Acta, 60, 4285-4289.
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Dr. Attila Demeny
Laboratory for Geochemical Research
Hungarian Academy of Sciences
Budapest, Budaorsi ut 45, H-1112, Hungary
tel/fax: 36-1-319-3145
e-mail: [log in to unmask]