Geology Reference
In-Depth Information
Table 2.1 (continued)
SiO
2
FeO
a
TiO
2
Al
2
O
3
Fe
2
O
3
MgO
CaO
BaO
Na
2
O
2
O
Total
17
55.30
23.00
0.63
0.03
0.39
20.90
100.20
18
55.00
23.20
0.37
0.04
0.62
20.70
100.00
19
55.00
0.21
21.40
0.96
0.28
0.09
0.10
21.80
99.84
20
54.20
55.60
0.13
0.32
20.40
22.60
0.85
1.30
0.18
0.41
0.27
0.21
20.30
22.70
-
-
-
-
-
-
a
FeO indicates total FeO + Fe
2
O
3
contents
1
3 Leucites from Leucitites, Alban Hills, Italy (Francalanci et al. 1987)
-
4
6 Leucites from K-rich rocks of Sierra Nevada, van Kooten (1980)
-
7
8 Leucites from basanites, Laacher See Area, Germany (Duda and Schminke 1978)
9 Rim of a leucite from wyomingite, Leucite Hills, Wyoming, U.S.A. (Kuehner et al. 1981)
10 Leucite from an olivine orendite, South Table Mountain, Leucite Hills, Wyoming, U.S.A. (Kuehner et al. 1981)
11 Leucite from an orendite, North Table Mountain, Leucite Hills, Wyoming, U.S.A. (Kuehner et al. 1981)
12
-
13 Leucites from lamproitic rocks, Leucite Hills, Wyoming, U.S.A. (Carmicheal 1967)
-
14
15 Leucites from leucitites, Begargo Hills, New South Wales, Australia (Cundari 1973)
-
16
18 Leucites from basanites, Vesuvius (Baldridge et al. 1981)
-
19
20 Leucites from leucitites, Gaussberg, Antarctica (Sheraton and Cundari 1980)
-
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