TABLE IV. 306 
1 . 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 
10. 
11 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
23. 
24. 
Si0 2 . 
46.36 
46.76 
47.20 
47.53 
47.96 
48.30 
48.54 
48.83 
49.15 
50.04 
52.26 
54.83 
55.08 
55.17 
55.48 
55.51 
57.7: 
5 
59.12 
60.77 
61.05 
61.49 
61.55 
61.87 
62.17 
.774 
.779 
.786 
.792 
.799 
.805 
.S09 
1 .814 
.819 
.834 
.871 
.914 
.918 
.919 
.924 
.925 
•9( 
a 
.985 
1.013 
1.018 
1.025 
■ 1.026 
1.031 
1.036 
Ti0 2 . 
.29 
.26 
.34 
.25 
.26 
.27 
.21 
A1 2 0 3 . 
18.60 
18.24 
18.80 
19.49 
20.00 
17.92 
14.86 
15.34 
13.37 
13.67 
16.99 
20.17 
17.25 
17.09 
19.56 
20.05 
17.8. 
{ 
21.46 
19.83 
18.35 
20.02 
17.81 
18.33 
20.83 
.182 
.178 
.184 
.191 
.196 
.175 
.145 
■ .150 
.131 
.134 
.166 
.197 
.169 
.167 
.191 
.196 
.17 
6 
.210 
.194 
.179 
.196 
.174 
.179 
.204 
Fe 2 0 3 
4.12 
3.40 
4.76 
2.04 
5.04 
5.48 
4.17 
! 7.39 
6.65 
4.55 
2.13 
4.77 
4.4- 
| 
2.68 
4.14 
4.21 
3.11 
3.01 
3.23 
2.26 
.025 
.031 
.034 
.026 
.046 
.041 
.013 
.Oi 
8 
.016 
.026 
.019 
.018 
.014 
FeO. 
4.94 
5.47 
3.80 
5.24 
3.54 
4.75 
4.82 
1 3.34 
5.88 
4.96 
5.22 
3^86 
9.33 
8.54 
4.99 
5.32 
3.91 
) 
2.72 
2.43 
2.12 
2.72 
2.60 
2.51 
2.12 
.068 
.076 
.052 
.072 
.049 
.066 
067 
.046 
.084 
.069 
.072 
.053 
.129 
.118 
.069 
.074 
.01 
4 
.037 
.033 
.029 
.037 
.036 
.034 
MnO 
1.00 
1.04 
1.07 
1.18 
1.11 
1.33 
1.18 
4r. 
tr. 
.04 
.01 
tr. 
.01 
tr. 
CaO. 
9.09 
10.32 
8.95 
10.09 
7.47 
8.97 
11.89 
13.63 
10.73 
10.86 
6.64 
4.12 
7.34 
5.42 
2.60 
3.78 
3.6; 
) 
2.16 
1.63 
2.05 
1.88 
-1.69 
2.11 
1.68 
.162 
.184 
.159 
.180 
.133 
.160 
.212 
.243 
.191 
.194 
.118 
.073 
.131 
.096 
.046 
.067 
.06 
6 
.038 
029 
036 
033 
030 
.037 
030 
MgO. 
4.00 
4.26 
3.97 
4.10 
3.16 
3.51 
5.75 
4.65 
5.30 
5.37 
1.86 
1.93 
2.77 
1.95 
.53 
1.22 
1.7; 
| 
.84 
.34 
.90 
.52 
147 
.65 
A5 
.100 
.106 
.099 
.101 
.079 
.088 
.144 
.116 
.132 
.134 
.046 
.048 
.069 
.049 
.013 
.030 
.04 
4 
.021 
.008 
.022 
.013 
.012 
.016 
.011 
Na 2 0. . 
2.96 
2.69 
2.46 
2.67 
2.85 
2.61 
2.71 
1.41 
3.08 
3.17 
1.63 
3.04 
1.86 
3.94 
3.14 
4.03 
3.7; 
[ 
3.78 
4.90 
5.94 
3.39 
4.08 
5.07 
4.40 
.048 
.043 
.039 
.043 
.046 
.042 
.043 
.022 
.049 
.051 
.026 
.049 
.030 
.063 
.050 
.065 
.061 
.079 
.096 
.054 
066 
.081 
.071 
K 2 0. 
7.18 
6.54 
7.59 
7.12 
8.37 
7.70 
6.45 
; 3.68 
6.55 
6.73 
8.83 
7.38 
5.32 
8.48 
10.47 
10.18 
7 .61 
7.66 
6.27 
5.28 
7.13 
7.51 
6.51 
6.76 
.076 
.069 
.081 
.075 
.089 
.082 
.068 
.039 
.069 
.071 
.096 
.078 
.056 
.090 
.in 
.108 
.08 
1 
.081 
.006 
.054 
.075 
.079 
.069 
.072 
p 2 o 5 .... 
tr. 
tr. 
tr. 
.19 
tr. 
tr. 
.18 
1.83 
.94 
tr. 
tr. 
tr. 
tr. 
.02 
.01. 
tr. 
.03 
S0 3 . 
.02 
.22 
FI. 
.06 
tr. 
tr. 
tr. 
tr. 
Cl . 
tr. 
tr. 
tr. 
tr. 
tr. 
tr. 
.42 
.32 
tr. 
h 2 o . 
.40 
.20 
.16 
.48 
.16 
.16 
.16 
3.33 
.46 
.17 
.24 
.0! 
1 
.25 
.24 
.32 
.46 
.86 
.46 
.25 
99.00 
99.18 
99.10 
100.38 
99.92 
101.00 
100.92 
100.12 
100.71 
99.35 
100.47 
100.56 
99.12 
100.59 
100.01 
mo9 
100.8.' 
; 
100.67 
100.55 
100.26 
100.75 
99.59 
101.07 
100.95 
