CLAKKK.] 
CARBONATE ROCKS 
GEORGIA. 
307 
A. Marble, Happy Valley. 
B. "Creole" marble, Happy Valley. 
C. Portion of B insoluble in dilute hydrochloric acid. 
D. "Cherokee" marble, Happy Valley. 
E. Portion of D insoluble in dilute hydrochloric acid. 
Analyses by L. Gr. Eakins, record Nos. 464, 485. 
Insoluble 
SiO, 
A1 2 0,---- 
Fe 2 3 --- 
FeO 
CaO 
MgO 
H 2 
CO, 
2.23 
.91 
.22 
B. 
1.84 
52. 16 
2.09 
.45 
42.22 
100. 28 
.05 
53.91 
.83 
.13 
43.16 
99. 69 
C. 
58. 21 
7. 37 
.31 
12. 53 
20. 42 
'.is. si 
2.01 
i:» 
.06 
53. 69 
.83 
.17 
43. 13 
100. 04 
55. 48 
15. 58 
trace 
14.52 
12. 88 
98. 46 
FLORIDA. 
1. CORAL AND SHELL ROCKS, COLLECTED BY N. S. SHALER. 
Partial analyses only. Chlorides and sulphates present; alkalies 
and phosphates not looked for. 
A, B, C, D. Coquina gravel, Tortugas. 
E. The same, Key West. 
Analyses by F. W. Clarke, record No. 878. 
A. 
B. 
c. 
I). 
E. 
SiO, 
. 19 
.19 
52.24 
1.5:; 
41.46 
3.27 
.22 
.47 
51.24 
2. (X) 
41.07 
3. 57 
.32 
. 56 
4\). 38 
1.93 
40.39 
5.12 
.21 
.76 
51. 95 
1.44 
41.53 
3.07 
.25 
Al.,<)„ Fe,<), . . 
.56 
CaO 
MgO 
CO, 
H 2 
51. 52 
2.08 
41.58 
3.19 
98.88 
98.66 
97.70 
98.96 
99.18 
