206 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
M. Open cut below Sabbath Rest tunnel, Elk Mountain. 
N. Triassic, Jacque Mountain. 
H I J. K. L M N. 
Insoluble... 6.75 - 65 4, 42 - 36 82 2. 04 
FeO, MnO. 3. 08 1. 67 .10 -17 0 15 
CaO 28.05 | 30.90} 52.97 | 55.58] 55.47 54. 62 
18.15 | 19.75 - 40 3 +22 
43.88 | 47.02 | 42.12 | 44.17] 43.86 43. 28 
COs 
7, RICO DISTRICT. 
Limestone described by Ransome in 22d Ann., pt. 2. Analyses by W. F. Hille- 
brand, record No. 1914. 
A. From Forest-Payroll mine. 
B. Alteration product of A. 
C. From Nellie Bly mine. 
Ts Oat 105 oe omigs crocrecroeenmure eee aepecrasemameets re er | 
Hg O eD0V0 10S". icc ana seisiam cerns simsarciscrsieais see : 
a By difference. 
UTAH. 
A. Marble from the Ontario mine, east end of the 1,000-foot level. Analysis made 
by L. G. Eakins in the Denver laboratory. 
B. Oolitic sand from shore of Great Salt Lake. Analysis by T. M. Chatard, record 
No. 156. 
A. B 
Teeg janie TDR C Me eit sdhetan neo so asst ea Meee fe de teraialoes eistarcre Troma noes eee eS 9. 61 4.0? 
DS cera rerarevecece 
Was ger tisap apnea sce ecard sense eroane eras eusonie ersense oe es a aurea emia oaces ayia lesan i 20 
CaQ.. 51.33 
MgO. 72 
ATK ANGS. oc ewes er neneaeseeeueene aeece seen aoe eeee chee bee meee hb eens wee ae eee eee | seems: - 63 
» COz.. 41.07 
P205 trace 
S03 . 89 
H20 83 
Organic matte: -27 
99. 97 
2 Calculated to satisfy bases. 
