ADIRONDACK MAGNETIC IRON ORES 167 



association, though it is rather above the average in iron. It con- 

 tains besides the silicates of the gabbro small crystals of apatite. 

 An analysis by W. F. Hillebrand contained in Professor Kemp's 

 paper shows the following percentages. 



Fe 2 3 . .'. 30.68 



FeO 27.92 



A1 2 3 , 6.46 



Si0 2 11.73 



Ti0 2 12.31 



CaO , 3.95 



MgO 3.35 



K 2 26 



Na 2 50 



PA • 82 



V 2 5 04 



C0 2 32 



S 04 



C i 05 



CI 12 



Fl tr. 



H 2 64 



99.19 



Iron 44 .1 9 



The presence of carbon is an interesting feature of the analysis 

 and is probably due, according to Hillebrand, to the inclusion of 

 graphite. Professor Kemp was unable to identify that mineral 

 under the microscope beyond doubt, though a few black particles 

 were observed in the chemical residues which might well have 

 been of graphitic nature. 



LITTLE POND MINES 

 A short distance north of Little pond, 2 miles south of Elizabeth- 

 town, two openings have been made in titaniferous bodies which 

 appear to be of considerable size. The northern opening is about 

 20 feet across at the surface and 15 feet deep, while the other to 

 the south has been excavated in the hillside and is about 30 feet 

 long and 25 feet high at the working face. The walls consist of 

 dark green gabbro. The ore is lean, as it carries a good deal of 



