Geology Reference
In-Depth Information
Table 13.2 Analyses of k-rich ma
c and ultrama
c rocks used for experimental studies by various investigators
1
2
3
4
5
6
7
8
9
10
11
SiO
2
38.05
55.14
50.20
43.56
42.33
37.09
44.65
42.60
42.02
43.70
44.4
TiO
2
3.84
2.58
2.30
2.31
5.62
6.46
6.92
5.30
4.93
2.70
2.1
ZrO
2
-
0.27
-
0.27
-
-
0.27
-
-
-
-
Al
2
O
3
7.54
10.35
11.39
7.85
8.14
9.33
2.75
8.30
8.02
13.60
15.6
Cr
2
O
3
0.04
0.04
0.20
0.15
-
-
-
-
-
-
9.21
a
13.79
a
Fe
2
O
3
8.41
3.27
0.57
5.57
6.94
0.20
0.12
6.40
4.2
FeO
2.80
0.62
4.23
0.85
1.36
7.80
9.07
4.10
5.4
-
-
MnO
0.21
0.06
0.07
0.15
0.09
0.12
0.08
N.D.
0.20
0.2
MgO
13.55
6.41
7.23
11.03
11.73
10.44
14.39
15.80
16.14
9.80
7.3
CaO
13.90
3.45
6.00
11.89
6.04
9.07
3.81
10.70
10.54
12.10
11.5
SrO
0.26
0.40
-
-
-
-
-
-
-
-
-
BaO
0.52
0.66
2.62
-
-
-
-
-
-
-
-
Na
2
O
1.31
1.21
0.86
0.74
0.26
0.03
0.83
0.80
0.55
3.40
3.2
K
2
O
3.02
11.77
10.19
7.19
6.22
2.87
6.80
7.10
7.26
3.40
4.1
H
2
O
+
2.27
1.23
3.59
2.89
4.92
8.24
3.22
0.20
0.6
-
-
H
2
O
-
3.00
0.61
-
2.09
3.01
-
2.18
-
-
-
-
CO
2
0.53
0.93
-
-
-
-
-
-
-
-
-
P
2
O
5
0.95
1.40
1.89
1.50
2.40
2.53
1.41
0.50
0.2
-
-
F
0.27
-
-
-
-
-
0.59
-
-
0.65
-
Cl
0.02
0.12
-
-
-
-
-
-
-
-
-
Total
99.67
99.19
98.52
98.99
99.97
99.97
99.87
98.80
98.8
-
(continued)
Search WWH ::
Custom Search