KCKEL. ] 
PENNSYLVANIA. 
283 
COMPOSITION. 
Analyses of Ferriferous or Vanport limestone, PennsyH 
'vaniaj' 
No. 
Silica 
(Si0 2 ). 
Alumina 
(A1«0«); 
Iron oxide 
(FeoOs). 
1.29 
1.46 
1.38 
.93 
2.09 
1.67 
1.71 
1. 
31 
05 
53 
87 
31 
31 
99 
78 
20 
61 
71 
64 
63 
.80 
.63 
1.56 
1.19 
2.03 
1.00 
1.82 
2.32 
1.29 
1.59 
Lime 
carbonate 
(CaC0 3 ). 
95. 53 
96.01 
94. 72 
95. 57 
94.18 
93. 25 
93.29 
95.23 
95.53 
95.20 
96.43 
94. 39 
93.64 
96. 43 
96.58 
86.91 
86. 21 
91. 78 
94. 36 
94.11 
94.21 
95.77 
93.34 
94.78 
92.86 
96.78 
93.48 
88. 46 
91.61 
91.09 
Magnesium 
carbonate 
(MgCO,). 
0.91 
1.50 
1.04 
1.42 
1.48 
1.74 
.97 
.41 
.93 
1.27 
1.20 
1.70 
1.82 
.91 
.83 
6.66 
1.78 
1.81 
1.63 
1.37 
1.73 
1.10 
1.46 
1.37 
1.59 
1.28 
1.54 
1.44 
1.57 
1.59 
a From Reports M, M2, M3, Second Geol. Survey Pennsylvania. A. S. McCreath, analyst. 
1,2. Stewardson Furnace, Madison Township, Armstrong County. 
3. Col well quarry, near Mahoning Furnace, Armstrong County. 
4. Reynolds quarry, near Kittanning, Armstrong County. 
5. George quarry, near South Bend, Armstrong County. 
6. Rhea quarry, near Greendale, Armstrong County. 
7. Graff quarry, near Buffalo mills, Armstrong County. 
8. Long Run, Porter Township, Clarion County. 
9. Hindman quarry, Clarion Township, Clarion County. 
10. Sligo Furnace, Piney Township, Clarion County. 
11. Barger quarry. Perry Township, Clarion County. 
12. Bovaird quarry, near Brockwayville, Jefferson Countv. 
13. Hanna quarry, near Sprankle's Mills, Jefferson Countv. 
14. Enty quarry, near Worth ville, Jefferson County. 
15. Shields quarry, near Dowlingville, Jefferson Countv. 
16. Winslow property, near Benezette, Elk County. 
17. Toby Creek, Fox Township, Elk County. 
18. Brandy Camp post-office. Horton Township, Elk Countv. 
19,20. Kane quarry, near Wilcox, Jones Township, Elk County. 
21. Shinn quarry, Wampum, Lawrence County. 
22. McCord quarry. Mount Jackson, Lawrence Connty. 
23. Johnson quarry, Newcastle, Lawrence County. 
24. Moffit quarry, Croton, Lawrence County. 
25. Simpson quarry, Richmond, Indiana County. 
26. Pine Creek Furnace quarry, Kittanning, Armstrong County. 
27. Severn quarry, near Vanport, Heaver County. 
'28, 29. Powers quarry, near Vanport, Beaver County. 
30. Tygart's quarry, near Vanport, Beaver County. 
