i,l 
WYOMING. 
331 
I'ORTLANB-CEMMXT RESOURCES OF WYOMING. 
Limestones are extensively distributed throughout the State of 
Wyoming, but little attention has yet been paid to their economic 
alue. The following analyses may prove serviceable in locating 
leposits that may be of use for lime or cement making: 
Analyses of limestones, Wyoming. 
ilica (Si0 2 ) 
Llumina (Al 2 :i ) 
ron oxide (Fe 2 3 ) 
ime (CaO) 
lagnesia (MgO) 
dkalies (K,0,Na 2 G) . 
Ixbon <lioxide (C0 2 ) - 
IVater 
2.02 
.57 
54. 06 
.34 
n. (1. 
42. 85 
.42 
22.22 
.21 
43.24 
.15 
n.d. 
33.94 
.14 
31.28 
1.83 
.22 
34.20 
.11 
.51 
26.79 
4.64 
31.45 
1 . 58 
.21 
34.. 18 
.08 
.61 
26.82 
I. HI 
2:;. 19 
6.17 
2.16 
33. 79 
.62 
. 38 
27.08 
6. 27 
6 
23. 47 
6. 27 
2.20 
38.83 
.74 
.38 
27. 03 
(i. 20 
6. 49 
54.16 
.15 
n.d. 
48. 68 
1.52 
.81 
54. is 
.15 
n.d. 
48. <;<) 
0.43 
.10 
. 12 
55. 84 
.21 
n.d. 
(48.73 
1 . 05 
1. Vermilion Creek Canyon. Upper Coal Measures. 
2. Near Red Buttes. Jurassic? 
3, 4. Turtle Bluffs, north side of Henrys Fork. Eocene. 
5,6. Green River City. Eocene. 
7,8. Five miles south of Cheyenne. Pleicene. 
9. Three miles east of Laramie. Carboniferous. 
Analyses 1-8 by B. E. Brewster, Kept. U. S. Geol. Expl. 40th par., vol. 
erritorial Geologist for Wyoming for 1888-89, p. 78. 
:; analysis 9 from Report 
