CLARKE.] 
IGNEOUS AND CRYSTALLINE ROCKS. 
2fi5 
F. Gabbro, east of Beverly Creek. Hessosc. Contains diallage 
and "basic" plagioclase, with pyrite and serpentine as alteration 
products. 
G. Oliviile- diabase, Camas Land. Ilessose. Contains augite, oli- 
vine, plagioclase, magnetite, and apatite. 
H. Diabase, dike on ridge west of Turnpike Creek. Tonalose. 
Contains plagioclase, augite, olivine, magnetite, and apatite. 
1. Basalt, middle fork of Teanaway River. Vaalose. Contains 
augite, plagioclase, magnetite, and apatite, with a glassy base. 
J. Yakima basalt, Clealum Ridge. Andose. Contains plagioclase, 
augite, olivine, magnetite, apatite, and glass. 
F. 
G. 
H. 
I. 
J. 
Si0 2 
48. 58 
20. 23 
1.26 
3.02 
7.59 
14.01 
2.25 
.19 
.28 
2. 68 
.09 
trace 
trace 
51. 98 
15.99 
3. 10 
5.88 
5.09 
9.68 
2.71 
.81 
.48 
2.08 
1.71 
.31 
none 
57. 21 
12.99 
3.28 
10.18 
1.59 
5. 97 
3.07 
1.61 
.68 
1 . 08 
1.72 
.44 
none 
none 
.24 
trace 
trace 
. 06 
trace 
.13 
53. 35 
12. 90 
2.64 
11.28 
2.68 
6. 96 
2. 83 
1 . 40 
. 91 
1.76 
2.44 
.45 
none 
.04 
.25 
trace 
trace 
. 05 
trace 
. 13 
54.50 
A1 2 3 
14. 43 
Fe A 
2.17 
FeO 
8.80 
MgO 
4.24 
CaO 
S. 01 
Na 2 
8. 05 
K.,0 
1.29 
H 2 at 110° 
.29 
H 2 above 110° 
1.09 
Ti0 2 . 
1 . 69 
PA 
.21 
CrA 
v 2 o, 
MnO 
trace 
none 
none 
none 
none 
.10 
none 
none 
.03 
trace 
.10 
NiO 
none 
SrO 
.09 
Ba() 
.06 
Li 2 
FeS 2 
S 
.10 
.01 
S0 3 
.11 
100. 25 
99. 96 
100. 20 
100. 07 
100. 13 
