50 



NEW YORK STATE MUSEUM 



K.O .. 

 H2O + 

 H2O— 



COe .. 

 Ti02 . 

 ZrO .. 

 P.Oe . . 



S 



MnO • 

 BaO • 

 Cr^Oa 



O-S 



14 



Total 



99-74 



Quartz 



Orthoclase 



Albite 



Kaolin 



Calcite •. • 



Titanite 



Zircon 



CaO.SiO^ 



MgO.SiO.o 



MgO.AI2O3.SiO2 . . . 



FeO.SiO. 



MnO.SiOz 



2(K20.Fe.03.2Si02) 



2Mg0.Si02 



Magnetite 



MgO.Al^Os 



Pyrrhotite 



Apatite 



P20= 



CO2 excess 



H2O— 



MnO 



Total 





2 



3 



4 



2.38 



2-54 



1-58 





46 



•45 



.60 





II 



• 02 



•03 





16 



none 



none 





46 



300 



2-34 





09 



none 



none 





06 



1.24 



•53 





07 



.27 



•22 





03 



• 21 



•15 



none 



tr 



• 02 



none 



none 



none 



100.74 



•03 



100.71 



21 540 

 36.696 

 20 • 960 



198 



100.35 

 • 10 



100.25 



2 

 24 540 



13 -344 



53-448 



3-096 



.200 



1. 188 



.182 



5-336 

 3.800 



1.848 



6.732 



1.260 



.928 



'16 



232 



120 



.060 



•044 

 .110 

 •030 



99.53 

 .09 



90 44 



14.456 



39.300 



3-096 



7-128 



5-336 



.900 



1. 616 



17-688 



-393 



-232 

 6.390 



.480 

 3-016 



99.298 100.410 ICO. 031 



1 Granitic extreme of syenite series i mile west of Mineville. Analyzed 

 by Charles Fulton. 



2 Granitic extreme of syenite series ; hanging wall of magnetite. Mine- 

 ville. Analyzed by M. K. Adams. 



3 Average syenite of rocks containing the Mineville magnetite. M. K. 

 Adams. 



4 Basic syenite of rocks containing the Mineville magnetite. M. K. Adams. 



