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Table 3. Summary of run conditions, phase relations, and phase proportions for cooling rate experiments.

Run
#
Dwell Temp. (șC) Dwell Time (min) Cooling Rate (șC/hr) Final Temp. (șC) Phase assemblage Visual Mode
Gl + mx Ol Pl Aug

60

1196

62

10

1173

Gl

1.00




37

1195

57

10

1149

Gl, ol, pl (ox)

0.86

0.03

0.01


31

1196

70

10

1102

Ol, pl, aug (ox)


0.20

0.45

0.35

12

1196

60

10

1054

Ol, pl, aug (ox)


0.13

0.45

0.42

17

1197

62

10

1006

Ol, pl, aug (ox)


0.10

0.50

0.40

63

1195

59

50

1171

Gl

1.00




32

1196

69

50

1150

Gl, pl

0.99

0.01



64

1195

59

50

1127

Gl, pl

0.97

0.03



23

1196

60

50

1104

Gl, pl, aug (ox)

0.88

0.07

0.05


41

1195

58

50

1054

Mx, pl, aug (ox)

0.55

0.20

0.25


11

1196

60

50

1006

Mx, pl, aug, ol (ox)

0.43

0.25

0.30

0.02

38

1194

57

100

1149

Gl

1.00




61

1195

60

100

1123

Gl, pl (ox)

0.95

0.05



24

1196

60

100

1102

Gl, pl, aug

0.88

0.07

0.05


62

1195

60

100

1051

Mx, pl, aug (ox)

0.70

0.10

0.20


16

1199

59

100

1008

Mx, pl, aug (ox)

0.70

0.10

0.20


34

1195

62

1000

1151

Gl

1.00




33

1196

62

1000

1104

Gl

1.00




59

1194

59

1000

1077

Gl, pl, aug

0.93

0.05

0.02


40

1194

55

1000

1040

Gl, pl, aug (ox)

0.65

0.10

0.25


26

1197

58

1000

1008

Gl, mx, pl, aug (ox)

0.05

0.47

0.18

0.30

78

1194

59

2000

1074

Gl, pl, aug (ox)

0.95

0.03

0.02


79

1194

59

2000

1027

Gl, mx, pl, aug (ox)

0.30

0.30

0.10

0.30

Notes: Abbreviations of experimental phase assemblages are gl = glass, mx = microcrystalline matrix of pyroxene + plagioclase ± olivine, ol = olivine, pl = plagioclase, aug = augite, and ox = oxide. Visual mode excludes oxides (usually 0.0% to 2.5%) and renormalized to unity.

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