COMPOSITION OF IRON ORES. 
37 
TABLE 
Exhibiting the composition of several Iron Ores found in the State of New- York, and, the 
proportion of Metallic Iron which they contain, in 100 parts. 
I. 
II. 
III. 
IV. 
V. 
VI. 
VII. 
VIII. 
Protoxide of iron,. 
25.40 
£ 96.50 
44.10 
1 95.75 
£ 98.90 
1 89.00 
^ 94.84 
42.26 
Peroxide of iron,. 
70.50 
52.75 
53.69 
Oxide of manganese,. 
1.60 
traces. 
' 
( and tita- 
2 nic acid. 
Silica,______ _ __ 
$ and loss, 
\ 2.50 
3.50 
| 4.25 
\ 1.10 
| 11.00 
| 4.05 
Alumina,___ 
| 3.15 
( 5.16 
traces. 
. 
Metallic iron,. 
69.10 
71.11 
71.22 
70.55 
72.86 
65.57 
69.88 
70.13 
IX. 
X. 
XI. 
XII. 
XIII. 
XIV. 
XV. 
XVI. 
Protoxide of iron,.. 
Peroxide of iron,. 
£ 70.80 
1 92.97 
24.50 
66.80 
? 92.15 
27.00 
71.50 
98.00 
97.00 
96.52 
' ' 
( and loss, 
l 1.20 
| 5.93 
) 
f and other 
< insol.mat 
5 and loss, 
1 1.50 
2.33 
2.83 
^ 3.48 
V 8.70 
( 7.85 
J- 
Carbonate of lime,_ 
25.00 
Plumbago,_ 
3.00 
.traces. 
traces. 
> 
Metallic iron,..i. 
52.16 
68.50 
65.81 
67.89 
71.00 
68.60 
67.90 
67.56 
XVII. 
XVIII. 
XIX. 
XX. 
XXI. 
XXII. 
XXIII. 
XXIV. 
Peroxide of iron,. 
96.00- 
51.50 
42.93 
72.37 
80.27 
82-. 90 
71.00 
68.00 
Oxide of manganese,. 
traces. 
8.50 
Silica,.. 
4.00 
6.00 
| 17.99 
| 15.43 
j. 7.43 ' 
£ 8.50 
Alumina,. 
7.50 
1 3.60 
f 6.50 
Carbonate of lime,. 
24.50 
28.33 
Carbonate of magnesia,_ 
7.75 
10.40 
Water,... 
5 and loss, 
12.20 
11.66 
13.50 
20.50 
17.00 
l 2.75 
.v 
Metallic iron,__ 
67.20 
36.05 
30.05 
50.65 
56.18 
58.03 
49.70 
47.60 
No. I. Magnetic oxide of iron.. Long Mine, Monroe, Orange county. Page 7. 
II. Magnetic oxide of iron. Rich Iron Mine, Monroe, Orange county. Page 8. 
III. Magnetic oxide of iron. Forshee Mine, Monroe, Orange county. Page 8. 
IV. Magnetic oxide of iron. 0 ; Niel Mine, Monroe, Orange county. Page 9.. 
V. Magnetic oxide of iron. Wilks Mine, Monroe, Oraftge county. Page 9. 
VI. Magnetic oxide of iron. Denny Mine, Philipstown, Putnam county. Page 11. 
VII. Iron sand. Banks of Moose river, Lyondale, Lewis county. Page 13. 
VIII. Magnetic oxide of iron. Fort-Ann, Washington county. Page 13. 
IX. Magnetic oxide of iron. Warrensbuvgh, Warren county. Page 13. 
X. Magnetic oxide of iron. Penfield Mine, Crown-Point, Essex county. Page 14. 
XI. Magnetic oxide of iron. Crag Harbour, Essex County. Page 15. 
XII. Magnetic.cxide of iron. Newcomb*, Essex county. Page 17. 
XIII. Magnetic oxide of iron. Arnold Mine, Clinton county'. Page 18. 
XIV. Light blue ore. Arnold Mine, Clinton county; Page 18. 
XV. Grey ore. Arnold Mine, Clinton county. Page 18. 
XVI. Specular oxide of ifon. Kearney Ore Bed, St. Lawrence county. Page 25. 
XVH. Specular oxide of iron. Pierrepont, St. Lawrence county. Page 26. 
XVIII. Lenticular clay iron ore. Wolcott, Wayne county. Page 28. 
XIX. Lenticular clay iron ore. Lower Genesee Falls, near Rochester, Monroe county. Page 28. 
XX. Limonite. Southfield, Richmond County. Page 30. 
XXI. Hematite. Clove Ore Bed, Union Vale,*Dutchess county. Page 32. 
XXII. Hematite. Amenia Ore Bed, Amenia, Dutchess county. Page 33. 
XXIII. Bog iron ore. St. Lawrence county. Page 34. 
XXIV. Brown iron ore, or umber. Forshee Mine, Monroe, Orange county. Page 8. 
