560 S. KOZU 



In the quantitative system, the rock from Matsu-shima would 

 be classified under the name of laurvikose, near pulaskose. There 

 is a close resemblance in chemical characters between this rock and 

 the pantelleritic trachyte which was described by Fornstner as 

 augite-andesite, and is also laurvikose. The relationship between 

 them is shown in the above tables. 



