Geology Reference
In-Depth Information
Table 4.11 Analyses of K-Rich rocks from Rio Grande Rift
SiO
2
TiO
2
Al
2
O
3
Fe
2
O
3
MnO
MgO
CaO
Na
2
O
K
2
O
P
2
O
5
Total
1
53.67
1.67
11.23
7.10
0.10
8.20
7.64
1.85
7.19
1.01
99.66
2
54.43
1.68
11.42
6.96
0.13
8.17
7.59
2.19
6.38
0.93
99.88
3
54.14
1.96
11.40
7.40
0.11
7.69
7.45
2.23
6.59
0.88
99.85
4
55.73
1.04
11.75
6.67
0.10
8.39
7.07
2.58
6.01
0.84
100.18
5
45.65
2.87
9.24
11.11
0.17
14.71
10.39
1.43
3.38
1.06
100.01
6
50.25
1.29
12.55
9.15
0.15
9.40
9.51
2.00
5.02
0.40
99.72
7
54.33
1.42
14.25
8.39
0.22
4.16
6.60
2.36
7.59
0.78
100.10
8
53.84
1.07
13.57
7.32
0.12
7.65
7.43
2.71
5.74
0.38
99.83
1
5 Lamproitic rocks from Navajo (Gibson et al. 1993)
-
6
8 Lamproitic rocks from Two Buttes, Arizona (Gibson et al. 1993)
-
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