Osumilite + KFMASH melt equilibria
The data and experiments are basically those of Holland, Babu & Waters (1996), but osumilite enthalpies are now fitted to the experiments of Carrington & Harley (1995).
* osm1 = crd + san + 2q (Olesch & Seifert, 1981)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
0.76 - 0.5 760 780 15.96 16.24 124 904 206 ** NOT USED **
cH = 18.17 (sd 2.01) 2
* 4phl + 3crd + 2san + 33q = 6osm2 + 4H2O (Olesch & Seifert, 1981)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
-5.88 0 0.5 760 780 536.06 544.19 -24 736 74 ** NOT USED **
cH = 526.11 (sd 14.38) 2
254) en + san + 2sill + 3q = osm1 (Carrington & Harley, 1995)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
0.13 - 8.3 7.7 900 -9.86 -7.91 8.00 1.11 1 (-9.76 <-> -8.02)
cH = -8.89 (sd 1.98) 2
within bracket
uH = 0.59, d/s = 1.7, h = 1.00
255) py + osm2 = osm1 + 2en (Carrington & Harley, 1995)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
2.12 - 8.3 7.7 900 -54.28 -53.87 8.00 3.59 2 (-54.73 <-> -53.41)
cH = -54.07 (sd 1.24) 2
within bracket
uH = 0.56, d/s = 0.4, h = 1.00
256) osm1 + fs = fosm + en (Holland et al., 1996)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
-1.58 - 5.0 825 925 17.36 19.00 864 116 1 (17.50 <-> 18.85)
cH = 17.99 (sd 0.96) 2
within bracket
uH = 0.39, d/s = 2.1, h = 0.39
257) fosm + crd = osm1 + fcrd (Holland et al., 1996)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
0 - 5.0 825 925 7.36 8.02 863 260 2 (7.24 <-> 8.14)
cH = 7.61 (sd 0.85) 2
within bracket
uH = 0.38, d/s = 0.9, h = 0.75
258) 2sill + 38q + en + 12san = 4mliq (Carrington & Harley, 1995)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
-12.26 - 8.6 885 895 -1983.56-1976.79 890 16 2 (-1985.64 <-> -1974.72)
cH = -1980.17 (sd 5.71)
within bracket
uH = 4.64, d/s = 0.7, h = 1.00
259) en + 4fliq = fs + 4mliq (Carrington & Harley, 1995)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
-2.83 - 8.6 885 895 -33.92 -33.79 891 172 2 (-35.18 <-> -32.52)
cH = -33.84 (sd 1.16)
within bracket
uH = 1.13, d/s = 0.1, h = 1.00
260) hliq = H2O (Carrington & Harley, 1995)
ln_K x(CO2) P(kbar) T(C) H(low) H(high) miss calc 2sd summary
0.71 0 8.8 8.4 890 -21.35 -21.12 8.60 2.21 2 (-21.58 <-> -20.89)
cH = -21.23 (sd 0.65) 2
within bracket
uH = 0.29, d/s = 0.4, h = 1.00
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