290  CONTRIBUTIONS    TO   ECONOMIC    GEOLOGY,  1906,    PART    I. 
Table  6. — Rational  analyses  of  fuller's  earth. 
Mineral. 
Total. 
Si02 
AluOa 
Fe2<  >a 
CaO 
M.U<> 
('(), 
HaO 
P205 
OWL. 
2.  62 
16.82 
1.01 
32.  04 
5.46 
.82 
1.24 
24.41 
5.90 
9.  73 
1.42 
9.42 
1.20 
7.40 
.  53 
0.48 
:;; 
17.21 
5.00 
9.70 
5.13 
.40 
0.82 
1.24 
1  1.  S| 
1.93 
9.  22 
1.  11 
.44 
A.  32 
.... 
Augite,  etc 
1. 15 
1.41 
.12 
1(10.00 
48.20 
17.  so 
2.09    lo.  84 
3.  13 
7.93 
8.91 
1.20 
1   UKBANK. 
.14 
11.97 
10.  If, 
2.07 
2.12 
45. 88 
19.76 
:.  i.; 
.08 
.00 
11.90 
1.4:; 
.57 
.07 
.44 
Prehnite  i '.'» 
2.  7.4 
2.  77) 
.11 
1.39 
Iron  oxides 
2.12 
27.90 
9.61 
5.00 
11.74 
2.  32 
0.  24 
4.91 
.11 
.  43 
1..-.I 
Quartz  and  feldspar 
'.•'.•.:.:< 
59.  11 
19.90 
7.14 
.'{.  29 
2.90 
.01 
6. 95 
.06      '• 
10.88 
3.80 
7.  22 
29   H 
14..-.:, 
27  7s 
8.  27 
lo  38 
.:,o 
:?.  no 
2.00 
20.25 
4.56 
17.04 
5.  .57 
1.44 
6.00 
4. 52 
6.64 
2.40 
2,80 
.07 
.31 
A.  1!) 

Anauxite 
4.00 
1.47 
A  .10 

.;,() 
J 
101.  SO 
60.20 
21.  oo 
7.80 
2.80 
2.64 
n.d. 
7.70 
n.d.     | 
