CARBONATE: ROCKS. 207 
The following samples, C to J, represent altered limestones from the Bingham dis- 
trict. Received from 8. F. Emmons. Partial analyses by W. F. Hillebrand, record 
No. 1932. 
C. White altered limestone, Emma mine, west drift. 
D. Same locality as A, gray. 
E. White altered limestone, Highland Boy mine, No. 7 tunnel. 
F. Same locality as C, gray. 
WOO: fase tenis 30 
3. 66 1.31 99 
48.34 | 45.52 53. 50 
4.31 2D | ydecseeeteere 
28. 06 8. 28 39. 32 
00 |caniemen|aeitmiacars 
G, H, I. Altered limestones from different points on West Mountain. 
J. Altered limestone, Bingham Canyon. 
a With a little TiO». 
The following rocks are from the Park City district. Collected by J. M. Boutwell. 
Partial analyses by G. Steiger, record No. 2207. 
K. Daly West mine. 
L. Scottish Chief mine. 
M, N. Silver King mine. 
K L M. N. 
1.50 4.54 
31 - 64 
11 none 
16 -30 
20. 41 19.07 
30. 54 29.69 
46.03 44, 27 
none 04 
28 25 
99. 34 98. 80 
a Includes possible P2Os. 
