Cargill Township carbonatite complex, District of ... - Geology Ontario

CARBONATITE - ALKALIC ROCK COMPLEXES: CARGILL TOWNSHIP
TABLE B-6. MICROPROBE MINERAL ANALYSES FOR SODA-PYROXENE
HORNBLENDITE.
SiO2
A12O3
Ti02
FeO*
MnO
MgO
CaO
Na2O
K2O
Sum
SiO2
A1203
TiO2
FeO*
MnO
MgO
CaO
Na20
K20
Sum
1. P7-228 core
2. P7-228 exsol.
3. P7-228 rim
Si02
A1203
Ti02
FeO*
MnO
MgO
CaO
Na20
K2O
H2O**
Sum
1
54.46
0.82
0.60
5.10
0.10
16.03
23.13
0.82
-
Pyroxene
234
51.47 52.00 48.59
1.17 1.81 3.88
1.07 1.08 1.62
9.53 7.33 6.36
0.18 0.13 0.17
14.46 13.90 12.93
22.27 22.62 23.99
0.93 0.99 0.89
-
101.16 101.08 99.86 98.43
7
50.03
2.49
1.05
10.26
0.25
11.23
21.75
1.99
-
99.05
4. P5-646
zone 5. P5-646
6. P5-645
1
40.97
11.45
3.26
15.51
0.26
11.63
10.85
3.69
1.53
2.00
101.14
1. P5-645 2. P5-647
5. P5-646
•Total Fe as FeO
**H2O required by structural formula
80
Pyroxene
8 9
52.16 53.09
1.64 0.91
0.62 0.33
10.50 12.37
0.29 0.32
11.80 11.26
20.81 19.10
2.33 3.40
-
100.15 100.78
core 7. P5-645 rim
rim 8. P5-647 core
core 9. P5-647 rim
Amphibole
2 3
43.46 40.99
9.83 10.91
2.80 0.84
15.76 18.51
0.31 0.26
11.32 10.27
9.74 10.20
4.43 3.68
1.20 1.49
2.01 1.94
100.88 99.09
5
10
50.62
3.22
0.91
9.29
0.17
12.29
20.97
1.91
0.03
99.41
49.39
2.91
1.28
9.85
0.29
11.81
22.03
1.64
-
99.20
10. P7-225 core
11. P7-225 rim
4
42.93
9.68
2.42
15.41
0.24
13.78
10.00
4.27
1.20
2.03
101.97
3. P7-225 4. P7-228
6
50.34
3.26
1.23
8.54
0.21
11.85
21.96
1.80
-
99.19
11
50.43
2.57
0.81
14.36
0.29
9.96
19.56
3.16
0.02
101.16
5
40.77
11.29
2.90
16.04
0.26
11.58
10.74
3.56
1.64
1.99
100.76