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

A. E. Gleason*, S. A. Parry, A. R. Pawley, R. Jeanloz, S. M. Clark

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

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 (±.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.

Original languageEnglish
Pages (from-to)1043-1050
Number of pages8
JournalAmerican Mineralogist
Volume93
Issue number7
DOIs
Publication statusPublished - Jul 2008
Externally publishedYes

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