Quart. Journ Geol.Soc. Vol XLVl PI XVII 



■M 





^.•[^ 



w^ 



^'^ 



■ft /#P#Kfe|E^.A 





5;<*i^f^.«»;^'w''- 



•X 





Kit' '-J ' 





i^- 



'"'^^^ 



w 



■f 



Prank FUitley del F H Michael liLh. 



COMPOSITE SPHHRu^wi^' .N 0B51U1AN 

 Hot- Spruigs nt'arLUJleLake^CcdjulojrdcL. 



