Quick Search:    advanced search

GSW Home   GeoRef Home   My GSW Alerts   Contact GSW   About GSW   Journals List   Help

This Article Figures Only Full Text Full Text (PDF) Supplementary Data Info Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Gleason, A.E. Articles by Clark, S.M. Search for Related Content GeoRef GeoRef Citation

Pressure-temperature studies of talc plus water using X-ray diffraction

¹ Department of Earth and Planetary Science, University of California, Berkeley, McCone Hall 4767, Berkeley, Calfornia 94720, U.S.A.
² School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
³ Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, U.S.A.

Correspondence: ^* E-mail: aegleason{at}lbl.gov

X-ray diffraction measurements of natural talc plus water at combined pressures and temperatures of 0–15 GPa and 23–400 °C reveal the presence of a structural change that could be interpreted as a new high-pressure phase at 4.0 (±0.5) GPa, and raise the possibility that the newly inferred phase transition takes place in cold subducting slabs as a precursor to appearance of the 10 Å phase of talc.

Key Words: Talc • X-ray diffraction • high pressure • subduction