Hydrous partial melting of the upper mantle as judged from mineral/melt partition coefficients
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Hydrous partial melting of the upper mantle as judged from
mineral/melt partition coefficients
Marc M. Hirschmann
Cyril Aubaud
Tony Withers
University of Minnesota
Hirth and Kohlstedt, 1996
Aubaud et al., 2004
Bercovici and Karato, 2003
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Aubaud et al., 2004
Experimental Measurements of H2O PartitioningBetween Melts and Nominally Anhydrous Minerals
Koga et al. 2003; Aubaud et al., 2004, in prep; Hauri et al., 2006)
=Test of Simple ModelIn System Olivine-H2O
1 GPa
€
T =1
1
Tperidotitefusion
−R
ΔHperidotitefusion
ln 1 -XOH -melt
( )
⎛
⎝ ⎜ ⎜
⎞
⎠ ⎟ ⎟
Aubaud et al., GRL, 2004
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
€
T =1
1
Tperidotitefusion
−R
ΔHperidotitefusion
ln 1 -XOH -melt
( )
⎛
⎝ ⎜ ⎜
⎞
⎠ ⎟ ⎟
Aubaud et al., GRL, 2004
Al3+ + H+ <-> Si4+
Effect of H2Oon the liquidus of naturalbasalts
Medard and Grove(submitted)
=Test of Simple ModelIn System Olivine-H2O
1 GPa
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