Geology Reference
In-Depth Information
Table 2.4 Analyses of clinopyroxenes From K-rich rocks of different localities
SiO
2
FeO
t
a
TiO
2
Al
2
O
3
Cr
2
O
3
MnO
MgO
CaO
NiO
Na
2
O
2
O
Total
1
Core
50.32
0.77
3.81
0.28
6.27
0.08
14.16
24.43
0.16
100.16
2
Mantle
49.38
0.73
4.64
0.08
7.79
13.31
24.53
0.14
100.60
3
Rim
45.36
1.82
8.20
0.10
9.84
0.12
10.82
24.18
0.24
100.68
4
Core
44.87
1.66
8.61
9.16
0.14
10.80
24.24
0.66
100.14
5
Mantle
48.12
0.62
5.53
0.04
6.86
0.30
12.71
24.60
0.48
99.42
6
Rim
50.44
0.62
3.36
0.13
5.40
0.03
14.27
25.07
0.14
99.46
7
Core
43.80
1.52
10.3
11.00
10.00
23.80
0.33
100.75
8
Rim
45.20
1.28
8.90
9.65
11.30
23.40
0.45
100.18
9
Core
39.20
1.97
12.60
14.60
0.37
7.11
23.10
0.33
99.28
10
Mantle
45.50
1.52
8.71
10.80
0.27
9.67
23.40
0.53
100.40
11
Rim
43.30
1.51
7.59
16.30
0.87
6.93
22.70
0.80
100.00
12
Core
52.51
0.33
1.57
3.04
0.06
17.45
24.15
0.13
99.24
13
Mantle
47.83
1.02
5.67
10.49
0.33
11.26
23.70
0.47
100.77
14
Rim
46.73
1.04
6.33
10.87
0.28
11.15
23.82
0.44
100.66
15
Core
47.80
0.84
4.75
10.90
0.77
10.70
23.60
0.53
99.89
16
Mantle
43.00
2.00
9.62
10.80
0.09
10.50
23.30
0.23
99.54
17
Rim
46.10
1.36
5.57
10.80
0.54
10.20
24.90
0.44
99.91
18
54.55
0.79
0.38
0.01
2.31
0.14
16.61
25.45
0.16
0.09
100.49
19
54.20
0.51
0.05
2.08
17.92
24.96
0.20
0.01
99.93
20
51.84
0.19
1.59
0.03
10.89
0.42
12.05
22.50
0.47
0.02
100.00
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