Geology Reference
In-Depth Information
Table 2.2 Analyses of K-feldspar from K-rich localities
SiO
2
FeO
a
TiO
2
Al
2
O
3
Fe
2
O
3
CaO
Na
2
O
2
O
SrO
MgO
BaO
Total
An
Ab
Or
Cn
Sr-f
1
63.61
19.68
0.21
0.38
1.27
14.26
0.57
0.31
0.019
0.117
0.864
100.29
2
63.98
19.45
0.13
0.35
2.26
13.41
0.04
0.017
0.20
0.783
99.62
3
65.10
19.40
0.21
0.39
2.05
12.20
0.06
2.10
20.00
77.90
99.41
4
64.80
19.00
0.19
0.53
2.14
13.40
0.12
2.60
19.00
78.40
100.18
5
65.20
19.20
0.20
0.45
1.22
14.10
0.03
2.30
11.40
86.30
100.40
6
64.30
19.20
0.71
1.06
1.96
12.80
0.08
5.40
17.90
76.70
100.11
7
57.93
22.21
0.71
1.36
4.93
4.99
3.23
4.57
6.90
45.40
30.30
8.50
8.90
99.93
8
55.51
23.48
0.71
2.20
4.98
3.38
4.16
5.31
11.30
46.40
20.70
10.00
11.60
99.73
9
62.61
0.27
18.83
0.79
0.02
0.31
15.53
0.42
0.41
99.07
10
64.23
0.41
15.16
2.48
0.66
14.88
0.54
1.92
99.42
11
64.41
0.40
15.79
2.14
0.64
15.11
0.30
1.52
100.32
12
63.40
0.09
16.70
1.42
0.20
2.71
13.50
0.03
0.29
98.14
13
63.30
0.26
17.80
1.96
0.04
3.34
11.60
0.04
1.03
99.37
14
64.80
0.12
19.20
0.35
0.83
6.74
7.56
0.83
0.05
99.67
14
63.90
0.27
17.46
1.12
0.44
16.15
0.02
0.25
99.61
16
63.11
0.22
14.49
3.17
0.32
16.20
0.20
0.08
97.79
(continued)
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