194 



VOLCANIC ROCKS OF SPRINGSUBE. 



Table I. — Chemical Analyses of Volcanic Rocks 

 and their Norms. 



A. Phonolite. Virgin Rock, The Mountain, Springsur©. 



B. Basalt. Scott's Well, Springsure. 



C. Fayalite Basalt. Mount Boorambool, Springsure. 



D. Average composition of Basalts of World*. 



A. B. C. D 



*Daly. Igneous Rocks and their Origin, p. 27. 



