|
No.
|
Tim1
|
Ilm1
|
Tim2
|
Ilm2
|
Tim3
|
Ilm3
|
Tim4
|
Ilm4
|
|---|
|
Occurrence
|
Lamellae
|
Lamellae
|
Rim/veinlet
|
Rim/veinlet
|
|
SiO2
|
0.20
|
0.21
|
0.23
|
0.31
|
0.08
|
0.25
|
0.09
|
1.46
|
|
TiO2
|
14.09
|
38.82
|
12.86
|
37.80
|
11.22
|
44.17
|
11.49
|
40.99
|
|
Al2O3
|
2.45
|
0.75
|
2.62
|
1.02
|
2.53
|
0.38
|
2.82
|
0.42
|
|
Cr2O3
|
2.48
|
1.15
|
2.28
|
1.49
|
2.25
|
0.68
|
2.15
|
0.66
|
|
FeO
|
41.23
|
31.47
|
40.39
|
30.55
|
38.86
|
37.45
|
39.65
|
32.45
|
|
Fe2O3
|
33.35
|
24.26
|
36.15
|
25.79
|
39.15
|
14.79
|
39.09
|
18.44
|
|
MgO
|
0.29
|
0.65
|
0.26
|
0.58
|
0.20
|
0.70
|
0.20
|
0.83
|
|
MnO
|
0.44
|
0.73
|
0.40
|
0.81
|
0.47
|
0.92
|
0.29
|
1.58
|
|
CaO
|
0.06
|
0.03
|
0.01
|
0.03
|
n.d
|
0.02
|
n.d
|
0.02
|
|
V2O3
|
0.50
|
n.d
|
0.50
|
n.d
|
0.50
|
n.d
|
0.50
|
n.d
|
|
ZnO
|
n.d
|
0.10
|
n.d
|
0.10
|
n.d
|
0.10
|
n.d
|
0.10
|
|
Total
|
95.09
|
98.20
|
95.70
|
98.48
|
95.26
|
97.95
|
96.28
|
97.15
|
|
T (°C)
|
1032
|
1005
|
848
|
901
|
|
logfO2
|
− 9.05
|
− 9.30
|
− 12.39
|
− 11.15
|
|
ΔQFMa
|
+ 1.44
|
+ 1.60
|
+ 1.26
|
+ 1.49
|
- n.d. not detected, Tim titanomagnetite, Ilm ilmenite
- aThe ΔQFM values were calculated using an equation from Frost (1991)
