Geology Reference
In-Depth Information
Table 2.14 Analyses of priderite
SiO
2
FeO
a
TiO
2
Al
2
O
3
Fe
2
O
3
MgO
CaO
MnO
BaO
Na
2
O
2
O r
2
O
3
Total
1
0.00
79.27
0.10
0.13
0.19
0.04
0.14
8.10
0.22
8.94
1.10
98.32
2
-
73.30
0.03
0.90
0.04
0.06
0.02
7.40
11.40
5.80
99.5
3
70.60
2.30
0.6
0.06
5.60
-
12.40
-
-
6.70
98.2
4
67.80
0.04
0.80
0.07
0.40
0.07
5.0
-
12.60
13.10
99.2
5
n.d.
81.56
0.02
8.65
0.42
9.51
0.26
100.42
6
n.d.
78.86
0.05
9.59
0.48
9.62
0.76
99.36
7
78.89
0.74
7.15
4.36
9.19
6.30
100.63
8
68.18
1.02
2.73
1.85
9.09
16.73
99.60
9
71.46
0.17
2.27
10.75
16.39
101.04
a
Where only a few values are given, they indicate total FeO + Fe
2
O
3
contents
1 Priderite from a Damoder valley lamproite (Gupta et al. 1983). Also includes 0.09 wt% NiO
2 Priderite from a West Kimberley lamproite (Wade and Prider 1940)
3 Priderite from a West Kimerley lamproite (Norrish 1951)
4 Priderite from a Leucite Hills lamproite (Carmicheal 1967)
5
-
6 Two pridirites from a Holsteinborg lamproite, West Greenland (Scott Smith, B.H. 1981)
7 Priderite from a lamproite occurring at Mount North, West Kimberley, Australia (Wagner and Velde 1986)
8 Priderite from a lamproite occurring at Smoky-Butte, Montana, U.S.A. (Wagner and Velde 1986)
9 Priderite from a lamproite at Sisco, Corsica, France (Wagner and Velde 1986)
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