52 



JOURNAL OF GEOLOGY— SUPPLEMENT 



Igneous complexes consisting of dykes, sheets, flows, and 

 bodies without visible floor quite often show the same general associ- 

 ation of types as that pointed out in the foregoing, and even with 



] E+l 



DUNITE PYROXENITE 



CRYST SCHISTS , 



Fig. 9. — Map of the Tagilsk platinum center, Ural Mountains, after Wyssotsky, 

 op. cit., and Duparc, Arch. Sci. Phys. et Nat., Geneve, XXXI (1911), 216. 



