PERIOD l" 



PLRIOD 2 ' 



V v-£ ^ m a ^ 



<z> '£3 A$3i 



a 



Granite 



*=" / altered xntc 



_ c s 



nass if 



2VTJB. T/ir external pressure cannot operate to alter the shape 

 of the err stalls cf the indicated Granite fartkest ,Jrom the Trap, and 

 newest ike peni-l's of -pressure 



fHAROAH AND C* - MA0CA5 -18b'. 



