BULL. GEOL. SOC. AM. 



VOL. 28, 1916, PL. 12 



FioJuuE 1. — Section u.ne-hali' Mile west of Fairfield^ Maine^ Locality Y 



This shows the fine smoke-colored gravel, the coarse "light" gravel, and the steeply dipping contact 

 with the sands at the base of the naarine clay formation 



FlGLliE 2. SjUTIO-N directly ACROSS THE ItoAI) FROII THE AUOVE 



This shows that the sloping contact of the sandy layer of figure 1 brings it into contact with the 

 smoky gravel, as seemed likely. The stratification of the smoky gravels is here very distinct, borne 

 of the finer layers are decidedly cross-bedded. The gradation of sand into clay can be seen m the 

 upper left-hand corner. 



RELATION OF GLACIO-FLUVIATILE AND MARINE FORMATION, FAIRFIELD, MAINE 

 XXII— Bull. Geol. Soc. Am., Vol. 28, 1916 



