CLARKE.] 
IGNEOUS AND CRYSTALLINE ROCKS. 
23 
NEW HAMPSHIRE. 
A. Elaeolite-syenite, Red Hill, Moultonboro. Described by Bayley 
in Bull. Geol. Soc. Amer., vol. 3, p. 231. Contains elreolite, augite, 
hornblende, biotite, sodalite, albite, and orthoclase, with accessory 
apatite, sphene, magnetite, and an occasional zircon. Fibrous decom- 
position products are also present. P. R. C. 203. 
B. Mixed albite and orthoclase from A. 
C. Nepheline (eheolite) from A. Analyses by W. F. Hillebrand, 
record No. 1321. The mixed nepheline and feldspar were treated with 
dilute hydrochloric acid, and the residue was extracted with sodium 
carbonate solution. C represents the soluble part, and B the insoluble. 
D. Camptonite, Campton Falls. Analysis by L. G. Eakins, record 
No. 1298. Described by J. P. Iddings in Bull. 150, p. 239. Contains 
hornblende, plagioclase, orthoclase, augite, iron ore, biotite, apatite, 
pyrite, and a mineral which appears to be analcite. Also variable 
calcite, serpentine, and chlorite P. R. C. 92. 
E. Quartz-porphyry, Pemigewasset. Analysis by Eakins, No. 1298. 
Si0 2 
AlA 
Fe 2 3 
FeO 
MgO 
CaO 
Na 2 
K 2 
H 2 at 100° . . . 
H 2 above 100° 
Ti0 2 
PA 
MnO 
SrO 
BaO 
Li 2 
co 2 
"59. 01 
18. 18 
1.63 
3.65 
1.05 
2.40 
7.03 
5.34 
.15 
.50 
.81 
trace 
.03 
trace 
.08 
trace 
.12 
99.98 
66. 85 
19.50 
.13 
trace 
.11 
7.44 
5.80 
.31 
.07 
none 
100.21 
C. 
45.31 
32.67 
.16 
2.00 
12.60 
5. 70 
1.56 
100.00 
38. 45 
19.68 
4.01 
11.15 
6.65 
9.37 
2.77 
1.72 
1.49 
trace 
4.82 
100. 11 
65.02 
17.93 
4.69 
.17 
1.24 
1.34 
3.04 
5.98 
.86 
11 
100. 38 
