Table 2. Summary of run conditions, phase relations, and phase proportions for equilibrium experiments.
| Run # |
Temp (ºC) |
Log fO2 |
Duration (hr) |
Phase assemblage |
Phase proportion | ||||
|---|---|---|---|---|---|---|---|---|---|
| Gl | Ol | Pl | Aug | Lpx | |||||
8 |
1186 |
-8.83 |
8 |
Gl, |
1.000 |
||||
7 |
1182 |
-8.81 |
22 |
Gl, ol |
0.981 |
0.019 |
|||
4 |
1172 |
-8.91 |
25 |
Gl, ol, pl |
0.918 |
0.045 |
0.037 |
||
10 |
1162 |
-9.00 |
13 |
Gl, ol, pl, aug |
0.825 |
0.069 |
0.097 |
0.009 |
|
9 |
1158 |
-9.07 |
20 |
Gl, ol, pl, aug |
0.737 |
0.078 |
0.137 |
0.048 |
|
1 |
1150 |
-9.55 |
22 |
Gl, ol, pl, aug |
0.697 |
0.078 |
0.143 |
0.082 |
|
5 |
1125 |
-9.48 |
27 |
Gl, ol, pl, aug |
0.412 |
0.119 |
0.290 |
0.179 |
|
3 |
1101 |
-9.59 |
21 |
Gl, ol, pl, aug, lpx |
0.263 |
0.121 |
0.356 |
0.224 |
0.036 |
Notes: Abbreviations of experimental phase assemblages are gl = glass, ol = olivine, pl = plagioclase, aug = augite, and lpx = low-Ca pyroxene. Phase proportions by mass balance (from Thy et al., Chap. 9, this volume).