Geology Reference
In-Depth Information
Table 2.10 Analyses of melilite from different ultrapotassic volcanic complexes (after Melluso et al. 1996)
SiO 2
FeO a
TiO 2
Al 2 O 3
Fe 2 O 3
MgO
MnO
CaO
Na 2 O 2 O
SrO
H 2 O+
Total
1
44.41
0.02
6.74
5.88
0.17
32.16
4.17
0.09
98.90
5.26
2
40.03
7.76
0.40
9.43
32.17
2.83
1.72
100.00
5.66
3
42.24
0.17
0.96
3.78
7.87
0.11
34.19
3.04
0.44
99.68
6.88
4
41.68
2.61
4.32
4.72
29.85
5.27
0.78
0.98
100.07
9.86
5
40.36
0.75
1.53
6.56
34.56
3.34
0.30
0.79
100.36
12.04
6
40.80
0.05
4.04
5.64
0.18
33.85
3.57
0.19
0.62
99.63
10.69
7
41.33
4.17
5.93
0.13
34.90
3.28
0.14
0.60
100.94
10.46
8
42.72
0.02
4.62
8.02
0.14
36.22
2.64
0.25
0.51
100.69
5.55
9
43.01
4.64
7.65
0.09
34.98
2.92
0.26
0.53
100.63
6.55
10
43.05
0.03
5.10
6.96
0.19
33.93
3.61
0.15
1.06
100.99
6.91
11
43.28
9.09
3.29
0.37
26.71
5.87
0.09
2.95
98.74
7.09
12
43.89
9.20
3.04
0.47
26.91
6.90
0.24
2.66
100.92
7.61
13
43.29
0.02
9.59
2.07
0.52
25.60
7.41
0.14
1.18
98.19
8.37
(continued)
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