204 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
3. FAIRPLAY, PARK COUNTY. 
Analyses made by W. F. Hillebrand, in the Denver laboratory. 
A. Serpentinous limestone, Buckskin Gulch. 
B. Limestone, Fairplay. 
C. Limestone, Mount Silverheels. 
D. Dolomite-limestone, Mount Silverheels. 
Analyses B, ©, and D partial, with CO, calculated to satisfy bases. 
A. B. Cc. D. 
4, PITKIN COUNTY. 
Limestones and dolomites collected under the direction of S. F. Emmons. Analyses 
by George Steiger, record No, 1559. CO, calculated to satisfy bases. Analyses par- 
tial only. 
A B Cc D. E F. G 
80 1.02 | 13.63 1.42; 31.12 7.78 
1. 63 2.10 1.88 3.34 36 - 88 
23 - 06 64 42 ut 22 
31.19 | 33.74 | 35.98} 31.61 | 37.28 38. 85 
19.69 | 16.76 8.25 | 18.06 54 9.97 
The following samples from Aspen were analyzed by L. G. Eakins in the Denver 
laboratory. Partial analyses, (O, calculated as before. 
H. Blue limestone. 
I. Limestone. 
J. Dolomite. 
ace I. J 
WnSolWble ine 22. cens ve ca geeneeaeen seen aehence nies Ys Ease ee Nae ee eee Se ees He ae ~52 33 84 
z trace 1.31 
55. 81 30. 46 
.16 20. 90 
44. 03 46. 92 
100.39 | 100.33 | 100, 48 
