CLARKE.] 
IGNEOUS AND CRYSTALLINE ROCKS. 
117 
K. Banakite dike, head of Lamar River. Monzonose. Contains 
augite, serpentinized olivine, orthoclase, plagioclase, biotite, magnet- 
ite, ilmenite, apatite, and analcite. Adjoins rock B. Analysis by 
Eakins, No. 1375. 
L. Banakite dike, Hoodoo Mountain. Monzonose. Like K, but 
with amygdaloidal zeolites. Analysis by Eakins, No. 1371. 
M. Banakite dike, Ishawooa Canyon, W}^oming. Monzonose. Like 
K and L, but more feldspathic. Contains a little serpentine, probably 
from olivine; also possibly analcite or sodalite. Analysis by Eakins, 
No. 1086. 
N. Banakite dike, near head of Stinkingwater River. Monzonose. 
Like M, but with more serpentine. Analysis by W. H. Melville, 
record No. 1232. 
SiO,.. 
A1A- 
Fe 2 3 
FeO.. 
MgO. 
CaO.. 
Na 2 0. 
K 2 0.. 
H 2 above 100° 
Ti0 2 
PA 
MnO 
NiO 
BaO 
51. 
16. 
4. 
3. 
4. 
4. 
3. 
5. 
3. 9: 
71 
52 
23 
.26 
100.08 
52. 63 
16.87 
4.52 
3. 11 
3.69 
4.77 
3.86 
5.17 
3. 65 
.81 
. 63 
. 10 
29 
100.10 
M. 
51. 46 
18. 32 
4.61 
2.71 
2.91 
6. 03 
4.11 
'4.48 
3.89 
.83 
.86 
.17 
100.38 
N. 
52.33 
18.70 
4.95 
1.83 
2.69 
4.71 
4.51 
5. 45 
.74 
2.71 
.71 
.81 
.03 
.14 
100.31 
