202 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
G. Travertine, from cavity near Pulsating Geyser, Mammoth Hot Springs. 
H. Travertine, from bank of Hot River. 
I. Travertine, from edge of old cave, highest terrace, Mammoth Hot Springs. 
J. Travertine, capping Terrace Mountain, Mammoth Hot Springs. 
K. Caleareous sinter, Hot Lakes. Sp. gr., 2,857. 
C, organic. ..... Beck peer aehe 4 - 
A, Of ganies.: -ccacwesuweacsseccaccasaciaiuiess SeeeSetwes ODE I cava oyna 
a Includes H of organic matter. 
MONTANA. 
Rocks A to H collected by A. C. Peale. Analyses by Charles Catlett, record Nos. 
890, 905. 
A. North of East Gallatin River. 
B. West of North Boulder River. 
C, D. North of East Gallatin River. 
E. Base of Carboniferous, west side of Bridger Range. 
F. Middle Carboniferous, north of Gallatin River. 
G, H. Upper Carboniferous, north of Gallatin River. 
Analyses all partial. A, B, C, D, and H were published by Peale in Bull. 110, 
pp. 16, 28, and 40. : 
A. B. Cc. D. E. F. G. H. 
Insoluble. soc cncacamccanssarceraeccds 34 1.78 | 23.50 | 35.26 9. 98 5.99 | 50.74 25.24 
Fe203, Al2O3 z2 2 +22 - 40 2. 50 1.92 38 . 58 30 5.30 
(CaCO 3 ws a xxezace ces ee --| 54.54 | 54.54] 67.85 | 59.11 | 88.50] 91.96 | 32.28 40. 21 
MgC O83 c2 2 sis seceaunyenisaiiewsaismiaesreictd 43.63 | 42.62 6.18 1.96 -95 1.35] 13.91 25. 25 
99.73 | 99.34 | 100.03 | 98.25 | 99.81 | 99.88] 97.23 96. 00 
I. Marble, Elkhorn district. Collected by W. H. Weed. Analysis by E. C. Sulli- 
van, record No. 2195. 
A. Mortis, Orofino. 
B. Limestone, Missouri Creek, Nez Perce County. 
Analyses A and B by W. F. Hillebrand, record No. 1905. 
@ Total iron. 
