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

CARBONATITE - ALKALIC ROCK COMPLEXES: CARGILL TOWNSHIP
TABLE B-7. MICROPROBE MINERAL ANALYSES FOR LATE-STAGE VEINS
AND SEGREGATIONS.
SiO2
A12O3
TiO2
FeO*
MnO
MgO
CaO
Na2O
K2O
Sum
SiO2
A1203
TiO2
FeO*
MnO
MgO
CaO
Na2O
K2O
Sum
1
50.98
2.63
0.24
9.03
0.30
11.34
21.38
1.41
0.01
97.32
6
52.81
2.65
0.67
13.07
0.31
9.76
19.43
3.14
0.01
101.85
Pyroxene
2
50.47
2.94
1.90
11.13
0.38
10.23
20.25
2.50
-
99.80
Pyroxene
7
52. 25
2. 37
0. 72
13. 21
0. 25
9. 58
18. 56
3. 89
-
100. 83
3
51.08
2.53
1.24
11.78
0.29
9.86
20.10
2.81
-
99.68
8
50.21
2.80
0.83
14.69
0.32
9.73
20.23
2.57
0.01
101.39
4
51. 29
2. 50
1. 25
12. 51
0. 33
9. 40
19. 02
3. 34
-
99. 64
1. P7-193 rim. Sodic edge of pyroxene from Unit 3 against simple vein
2. P7-158 complex vein
3. P7-231 complex vein pyroxene core
4. P7-231 complex vein pyroxene rim
5. P7-224 salite core in aegirine-augite
6. P7-224 aegirine-augite in above
7. P7-216 aegirine-augite
8. P7-156 complex vein
9. P7-2.30 aegirine-augite - sphene rock
SiO2
A12O3
TiO2
FeO*
MnO
MgO
CaO
Na2O
K2O
H2O**
Sum
1
41.84
10.45
3.24
12.80
0.13
12.74
11.09
3.09
1.50
1.99
98.86
2
42.28
9.30
2.72
17.45
0.32
10.04
9.27
4.26
1.36
1.95
98.96
1. P7-193 simple vein
2. P7-216 complex vein
3. P7-230 complex vein
4. P7-158 complex vein
'Total Fe as FeO
**H2O required to satisfy structural formula
82
3
Amphibole
4
42 .19 40.92
9 .23 10.73
2 .26 2.20
17 .03 17.00
0 .29 0.25
10 .48 10.12
8 .79 10.35
4 .63 3.64
1 .16 1.64
1 .94 1.94
98 .00 98.00
5
40.94
10.50
1.64
18.25
0.24
9.63
9.40
4.49
1.46
1.93
98.48
5. P7-231 complex vein
6. P7-224 complex vein
7. P7-156 complex vein
6
40.94
10.69
2.52
18.46
0.35
9.93
9.38
4.08
1.51
1.95
99.81
5
52.23
3.34
0.91
6.58
0.16
13.82
22.80
1.34
0.01
101.19
9
51.23
2.51
0.75
14.89
0.29
9.66
18.89
3.69
0.02
101.93
7
40.66
8.44
2.50
19.37
0.36
9.90
10.31
3.50
1.84
1.90
97.93