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, 



Peroxide of iron, 



Oxide of manganese. 



Silica, 



Alumina, 



Titanic acid, 



25.40 



70.50 



1.60 



i and loss, 



' 2.50 



I 96.50 



i 3.50 



44.10 

 52.75 

 traces. 



3.15 



traces. 



I 95.75 



4.25 



I 98. 



I 11. C 



f 94.84 



( and tita- 

 < nic acid. 

 ( 5.16 



42.26 

 53.69 



4.0S 



Metallic iron,. 



69.10 



71.11 



71.22 



70.55 



72.86 



65.57 



69.88 



70.13 



IX. 



X. 



XL 



XII. XIII. XIV. XV. XVI. 



Protoxide of iron,.... 



Peroxide of iron, 



Oxide of manganese, . 



Silica 



Alumina, 



Titanic acid, 



Carbonate of lime. 



Plumbago, 



Lime, 



70.80 



( and loss, 

 I 1.20 



25.00 

 3.00 



92.97 



5.93 



24.50 

 66.80 



8.70 



I 92.15 



^ and other 

 ? insol.mat 

 ( 7.85 



27.00 

 71.50 



5 and loss, 

 I 1.50 



98.00 



2.33 



97.00 

 traces. 



2.83 



96.52 



3.48 



Metallic iron, . 



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, 



Oxide of manganese, 



Silica, 



Alumina, 



Carbonate of lime, 



Carbonate of magnesia,. 



Water, 



96.00 



""iloo' 



51.50 



6.00 



7.50 



24.50 



7.75 



5 and loss, 



I 2.75 



42.93 



99 



28.33 

 10.40 



}- 



72.37 

 I 15.43 



12.20 



80.27 

 7.43 



11.66 



82.90 

 traces. 



3.60 



13.50 



71.00 

 8.50 



20.50 



68.00 

 8.50 



6.50 



17.00 



Metallic iron,. 



67.20 



36.05 



30.05 



56.18 



58.03 



49.70 



47.60 



No. 1. Magnetic oxide of iron. Long Mine, Monroe, Orange county. Page 7. 

 11. Magnetic oxide of iron. Rich Iron Mine, Monroe, Orange county. Page 8. 

 ni. Magncitic oxide of iron. Forshee Mine, Monroe, Orange county. Page 8. 

 IV. Magnetic oxide of iron. O'Niel Mine, Monroe, Oraoge county. Page 9. 

 V. Magnetic oxide of iton. Wilks Mine, Monroe, Orange county. Page 9. 

 VI. Magnetic oxide of iron. Denny Mine, Ptulipstown, Putnam county. Page 11. 

 VII. Iron sand. Banks of Moose river, Lyondale, Lewis county. Page 13. 

 VIU. Magnetic oxide of iron. Fort-Ann, Washington rnunty. Page 13. 

 IX. Magnetic oxide of iron. Warrensburgh, Warren county. Page 13. 

 X. Magnetic oxide of iron. Peufield Mine, Crown-Point, Essex county. Page 14. 

 XI. Magnetic oxide of iron. Crag Harbour, Essex County. Page 15. 

 XII. Magnetic oxide of iron. Newcomb, Essex county. Page IT. 



XIII. Magnetic oxide of iron. Arnold Mine, Clinton county. Page 18. 



XIV. Light blue ore. Arnold Mine, Clinton counly. Page IB. 

 XV. Grey ore. Arnold Mine, Clinton county. Page 18. 



XVI, Specular oxide of iron. Kearney Ore Bed, St. Lawrence county. Page 25. 

 XVII. Specular oxide of iroii. 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. 

 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. 



Page 28. 



