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Partitioning garnet/melt partition

Van Westrenen et al. (2001a) present a model of lanthanide and Sc partitioning between the garnet X-site and melt. The model is a variant of the lattice strain model of clinopyroxene-melt partitioning of Wood and Blundy (1997), and is based on 160 experimental garnet-melt pairs in the pressure-temperature range 2.5-7.5 GPa and 1450-1930°C. The model includes composition-sensitive expressions for and accounts for the non-linear variation in with composition, as follows ... [Pg.95]

Figure 6 Brice model fits to garnet-melt partitioning of Van Westrenen et at. (2000b) for 2+ and 3+ ions. Figure 6 Brice model fits to garnet-melt partitioning of Van Westrenen et at. (2000b) for 2+ and 3+ ions.
Figure 11 Comparison of fitted values of from garnet-melt partitioning with the Hazen-Finger relationship of Equations (14) and (15). Note that the X-site is much stiffer than would be anticipated (see text). Figure 11 Comparison of fitted values of from garnet-melt partitioning with the Hazen-Finger relationship of Equations (14) and (15). Note that the X-site is much stiffer than would be anticipated (see text).
Figure 20 Plot of Z)xh for garnet-melt partitioning versus reciprocal temperature (see text). Figure 20 Plot of Z)xh for garnet-melt partitioning versus reciprocal temperature (see text).
VanWestrenen W., Allan N. L., Blundy J. D., Purton J. A., and Wood B. J. (2000a) Atomistic simulation of trace element incorporation into garnets-comparison with experimental garnet-melt partitioning data. Geochim. Cosmochim. Acta 64, 1629-1639. [Pg.1124]

Van Westrenen W., Wood B. J., and Blundy J. D. (2001a) A predictive thermodynamic model of garnet-melt trace element partitioning. Contrib. Mineral. Petrol. 142, 219-234. [Pg.1124]

Figure 12 Summary of garnet/melt partition coefficients at high pressure (sourees Kato et aL, 1988a Tronnes et aL, 1992 Righter and Drake, 2000 McFarlane, 1994 Drake et aL, 1993 Ohtani et aL, 1989 Draper et aL, 2003 ... Figure 12 Summary of garnet/melt partition coefficients at high pressure (sourees Kato et aL, 1988a Tronnes et aL, 1992 Righter and Drake, 2000 McFarlane, 1994 Drake et aL, 1993 Ohtani et aL, 1989 Draper et aL, 2003 ...
Draper D. S., Xirouchakis D., and Agee C. B. (2002a) Effect of majorite transformation on garnet-melt trace element partitioning. Lunar Planet. Sci. XXXIII, abstract 1306. [Pg.1146]

Johnson K. T. M. (1994) Experimental cpx/ and garnet/melt partitioning of REE and other trace elements at high pressures petrogenetic implications. Min. Mag. 58A, 454-455. [Pg.1577]

Dm (and Du) vary inversely with reciprocal temperature (Fig. 15). For mantle solidus garnets the correlation is reasonably good and can be used to make a first-order estimate of Dm- A more comprehensive model for Du and Dm, as a function of pressure, temperature and melt composition is provided by Salters et al. (2002). Their full expressions (for the molar partition coefficients, D ) are ... [Pg.96]

Beattie P (1993b) Uranium-thorium disequihbria and partitioning on melting of garnet peridotite. Nature 363 63-65... [Pg.119]

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