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

doi:10.2138/am.2008.2742

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 journal › Article › peer-review

12 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 language	English
Pages (from-to)	1043-1050
Number of pages	8
Journal	American Mineralogist
Volume	93
Issue number	7
DOIs	https://doi.org/10.2138/am.2008.2742
Publication status	Published - Jul 2008
Externally published	Yes

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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 {\AA} phase of talc.",

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AU - Parry, S. A.

AU - Pawley, A. R.

AU - Jeanloz, R.

AU - Clark, S. M.

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Y1 - 2008/7

N2 - 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.

AB - 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.

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

Abstract

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