aenth,] 



90 



[Feb. 6. 



0.215 Phosphorus. 



100.00 

 100 Iron contain 0.38 Phosphorus. 



No, 27. Kerr and Bredin Bank. 



The three specimens received show the ore to be mostly amorphous 

 and compact, and of various shades of brown, also earthy ; some parts 

 are porous and the cavities lined with fibrous limonite, sometimes in 

 botryoidal forms. On being breathed upon, developes a strong argilla- 

 ceous odor. 



The average of the samples contained : 



Ferric oxide 

 Manganic oxide 

 Cobaltic oxide 

 Alumina 

 Magnesia 

 Lime 



Phosphoric acid 

 Silicic acid 

 Quartz 

 Water 



70.67 

 0.36 



trace 

 3.91 

 0.26 



trace 

 0.19 

 5.48 

 6.80 



12.33 



= 49.47 Metallic Iron. 



0.08 Phosphorus. 



100.00 

 100 Iron contain 0.16 Phosphorus. 



No. 28. Hostler Bank, 



One specimen of so-called "Pipe Ore." Amorphous, compact and 

 irMi-o- hrnwn f.n vfiUnwish brown. Porous. Stalactitio. Coated with 



earthy, brown to yellowish brown 

 yellowish and reddish ochreous ore. 



The analysis gave : 



Ferric oxide — 78.58 



Manganic oxide 0.08 



Alumina 0.88 



Magnesia 0.54 



Lime 0.30 



Phosphoric acid 0.36 



55.01 Metallic Iron. 



0.158 Phosphorus. 



