242 
ANALYSES OF ROCKS, U. S. GEOLOGICAL SURVEY. 
[bull. 168. 
F. From near Holland's store, Chattooga County, Georgia. An- 
alysis by J. E. Whitfield, record No. 765. See Bull. 60, p. 106. Sp. gr. 
7.801. 
G. From Hamilton County, Texas. Sp. gr. 7.95, 27°. Analysis by 
L. G. Eakins, record No. 1189. See Bull. 78, p. 95. 
H. From near Scottsville, Allen County, Kentucky. Analysis by 
Whitfield, record No. 509. See Bull. 55, p. 64. 
I. Fell 6 miles east of Cabin Creek, Johnson County. Arkansas, 
March 27, 1886. Analysis by Whitfield, record No. 505. See Bull. 
55, p. 63. 
J. From near Grand Rapids, Michigan. Sp. gr. 7.87. Analysis 
by R. B. Riggs, record No. 296. See Bull. 42, p. 94. 
F. 
G. 
H. 
I. 
J. 
Fe 
94.60 
4.97 
.21 
86. 54 
12.77 
.63 
.02 
94. 32 
5. 01 
trace 
91.87 
6. 60 
trace 
88.71 
10.69 
Ni 
Co 
Cu 
.07 
.02 
Me.. 
Mn 
trace 
.41 
.05 
P 
.21 
trace 
.16 
.03 
.16 
.34 
none 
.12 
.26 
.03 
S . 
Si 
C 
trace 
.11 
.15 
.34 
.13 
Insoluble 

99.99 
100.26 
99.95 
99. 42 
99.91 
