IGNEOUS AND CRYSTALLINE ROCKS. 125 
A B c D. E F 
SiO yoo Cases tins eae oa aant epee Nees 76,20} 56.68] 48.21] 54.54] 6295] 61.12 
PRs Ogee neian acdgs Saad La hak oan bRateucr 13.17} 16.62| 17.96| 1466] 15.91] 15.78 
Rea Os sea cana at Moe uesmanannencenwaneccapreekensen 34] 628] 5.18] 4.20] 3.30) 2.69 
BGO go cine eer Gk ep ecomenuismnmeaceckuene an goa 3 Neenaccs: 4.47] 2.74] 137] 3.18 
MBO uc nnence owt naeeeacmy enanecion 19 79| 4u| 3.21] 218] 190 
Cad. 42 59] 9.72] 5.64] 446] 3.95 
Na.O 431/ 1.03] 3.68] 3.47] 405| 414 
KO secs) 446) 118 | 299) Bas] 295) 44s 
NOB 109% coca. 2 acd suecae clcecacee nt oat weae “a ] u1o} 27 32 
e888 \ 3.28) a4] a7] 119 56 
HoO GD 0V6 08 i ieeweve sretetaeeercdsedmaersacacas 
iO 
ARIZONA. 
1. GLOBE DISTRICT. 
Rocks described by F. L. Ransome in P. P. 12. Analyses A, F, by W. F. Hille- 
brand, record No. 1988. The others by E. T. Allen, record Nos. 1952, 1955. 
A. Quartz monzonite, Lost Gulch. Toscanose. Contains quartz, plagioclase, 
microcline, biotite, iron ore, titanite, apatite, and zircon. P. R. C. 1297. 
B. Granite porphyry, one-half mile southwest of Hog ranch. Lassenose. Contains 
orthoclase, quartz, oligoclase, biotite, and iron ore. P. R. C. 1293. 
C. Granite porphyry, 2 miles south of Schultze ranch. Lassenose. Contains ortho- 
clase, quartz, oligoclase, and biotite, with some chlorite, epidote, and iron ore derived 
from biotite. P. R. C. 1292. 
D. Granitite, 1 mile west of Schultze ranch. Lassenose. Contains oligoclase, 
quartz, orthoclase, biotite, muscovite, magnetite, apatite, and zircon. P. R. C. 1291. 
Ky 
H20 at 105° 
H20 above 105° 
Ti 
