ELIZAEETHTOWX AND PORT HEXRY QUADRANGLES 



14: 



dorite. An analysis of the ore by W. F. Hillebrand gave the fol- 

 lowing results : 



SiOa 



Ti02 



AI2O3 



Cr^Os 



FeoOs ■ • • 



FeO 



MgO 



CaO 



V2O5 



13 



35 



16 



45 



8 



75 





55 



20 



35 



28 



82 



6 



63 



2 



15 





61 



P2O5 02 



S .09 



CI present 



C tr. 



H2O 1.68 



CO2 17 



Total 



Fe 



99.62 

 35-95 



AMien recast this analysis may be split up into the following 

 components which are undoubtedly very near the true proportions : 



Ilmenite • 30.80 



Magnetite 29.80 



Chromite 



Anorthite 



Spinel 



Olivine 



64 



9-45 



7-38 



6 . 94 



Enstatite 1 1 . 40 



Calcite 



Water 



Vanadic oxid. 



Sulfur 



Phosphorus . , 

 Residue, Si02 



Total 



99 5; 



In the quantitative system this has the same name as the one 

 last recast. 



It is probable that from the Tunnel mountain pit came the sample 

 analyzed by Prof. George W. Maynard [British Iron and Steel 

 Inst. Jour. 1874] under the name of the Kingdom Works. He 

 gives 



1 SiO.o 



AI2O3 



TiO.o 

 FeO 

 Fe20: 

 MnO 



13-15 

 21.24 



23-77 

 -87 



CaO 



21-64 



11.86 



3-54 



Fe 



Total 96.07 



32.59 



Professor Maynard also gives another under the name Iron 

 mountain, Elizabethtown, but the exact locality is not known to the 

 writer. 



Ti02 16.37 



FeO 25.44 



FesOs 30.36 



MnO .47 



Si02 10.26 



AI2O3 



CaO 



MgO 



Total 



Fe 



9-35 



7-75 



•13 



100.13 



40.42 



Pits near Little pond. Some 2^ miles south and a little east 

 from Elizabethtown and back from the present highway is a small 



