282 ANALYSES OF ROCKS, U. S. GEOLOGICAL SURVEY. [no. 228. 
7. KIOWA COUNTY, KANSAS. 
A pallasite found in Breiiham township. Analyzed by L. G. Eakins, 
record No. 1188, and described in Bull. 78, p. 94. 
A. The nickel-iron. Sp. gi\, 7.93, 23.4°. 
B. The pure olivine, Sp. gr., 3.376, 23.2°. 
C. Dark outer zone of olivine, containing' troilite. 
A. 
B. 
c. 
Fe 
88. 49 
10. 35 
.57 
.03 
.14 
.08 
trace? 
trace 
Si0 2 
40. 70 
trace? 
.18 
10.79 
.02 
34. 14 
Ni 
A1 2 3 
Fe 2 3 
Co . 
Cu 
FeO 
23.20 
P 
NiO 
trace 
S 
CoO 
.03 
Si 
MnO 
.14 
48.02 
.09 
C 
MgO 
40.19 
S 
5.42 
Less 0=S 
99.85 
103. 07 
2.71 
99.66 
100. 36 
