ELIZABETHTOWN AND PORT HENRY QUADRANGLES 



14: 



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

 lowing results : 



Si02 



Ti02 



AI2O3 

 Cr.03 



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 



When recast this analysis may be split up into the following 

 components which are undoubtedly very near the true proportions : 

 Ilmenite 30 



Magnetite 

 Chromite 

 Anorthite 

 Spinel . . . 

 Olivine • • 

 Enstatite 



30 



80 



29 



80 





64 



9 



45 



7 



38 



6 



94 



II 



40 



Calcite ...... 



Water 



Vanadic oxid. 



Sulfur 



Phosphorus . . 

 Residue, Si02 



Total 



99-57 



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 



Ti02 13.15 1 SiO. 



FeO 21.24 AI2O3 



FciO:; 2.Z-77 CaO 



MnO 



87 



Total 



Fe 



21 



64 



II 



86 



3 



54 



96 



07 



32 



59 



Professor Maynard also gives another under the name Iron 

 m.ountain, Elizabethtown, but the exact locality is not known to the 

 writer. 



Ti02 16.37 



FeO 25.44 



FeoOs 30.36 



MnO .47 



Si02 10.26 



AI2O3. 

 CaO . 



MgO. 



9-35 



7-75 



•13 



Total 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 



