CLARKE.] 
CARBONATE ROCKS. 
313 
The following partial analyses by F. W. Clarke, record No. 738, all 
•elate to Trenton limestones: 
A. Well No. 3, Bryan. Gas rock. 
B. McElree well, Kenton. Depth, 1,315 feet. 
C. Huntsville. Depth, 1,405 feet. 
D. Prospect. Depth, 1,650 feet. 
E. Findlay street well, Dayton. Depth.. 975 feet. 
F. Xenia. Depth, 1,075 feet. 
G. New Madison. Depth, 1,150 feet. 
A. 
B. 
C. 
D. 
Insoluble 
Fe 9 (X, ALO, 
9.22 
1.51 
49.00 
38. 59 
5.26 
1.10 
84.32 
8.43 
4.41 
3.15 
57.23 
33. 16 
26.12 
2.57 
CaC0 3 
66.02 
MgC0 3 
3.77 
98.32 
99.11 
98.95 
98. 58 
Insoluble . . . 
Fe 2 3 , A1 2 3 
CaC0 3 
MgC0 3 
12.34 
.58 
82.36 
1.67 
96. 95 
9.23 
.18 
86.54 
2.99 
98. 94 
11.11 
3.60 
64.91 
17.98 
97. 60 
In C and G there is ferrous carbonate. 
