MODES OF ERUPTION 



R.4IE. 111*35' R42E. 



263 



^Pothetical structure 

 \ V 2_ 



-'^^.roaf'on 



iMlle 



EXPLANATION 



QUATERNARY 



, . ,1 -^- 



CRETACEOUS 



Qa 



Qh 



"kH^ 



Kw 



Alluvium Hill-wash and older Wayan formation 



ng Homer 

 nrember. 



alluvium 



QUATERNARY ? TERTIARY 



l/ay£ 



ludin 



including Homer limestone 



B 





Ta 



% 



X. 



Basalt Andesite Dikes Strikeanddip 



Figure 3. — Mai) n'ith r/eolofjic stnicfure Section of the Siu/arlodf Moiinfuiii District. 

 Cranes Flat Quadrangle, Idaho 



