clarkk] ANALYSES OF ROCKS, U. S. GEOLOGICAL SURVEY. 277 
STONY METEORITES. 
1. KOCKWOOD, TENNESSEE. 
From the Crab Orchard Mountains, Cumberland County, about 8l 
miles west of Rock wood. Analyzed by J. E. Whitfield, record No. 
[35, and described by him in Bull. 00, p. 103. 
A. Analysis of the material as a whole. 
B. Nickel iron separated. Forms not over 16 per cent of the mass. 
C. Nodule from meteorite. 
D. Portion of nodule, ( .)4 per cent, insoluble in hydrochloric acid. 
May be enstatite. 
The stony part of the meteorite appears to be mainly pyroxene and 
anorthite. Fe 2 3 was not determined, and FeO represents the total 
iron oxide. 
A. 
B. 
C. 
D. 
SiO s 
41.92 
9.27 
22. 94 
9.09 
8.76 
3. 75 
1.7-1 
trace 
trace 
.65 
87. 59 
49. 96 
4.75 
15.97 
1.15 
28. 15 
51. 85 
£],Oo 
4. 52 
FeO 
13.26 
CaO 
1.09 
WMgO 
29.28 
1 Fe 
|Ni 
12. 09 
tract 1 
trace 
1 Co 
leu 
P 
S 
1. 58 
.18 
lei 
99. 88 
99.68 
99. 98 
11)0.00 
