MEM. MUS. COMP, ZOOL. 



GEOLOGY CAPE COD. PLATE 4 



Base from U. S. Geological Survey 

 1:500,000 scale map 



MAP OF COASTAL PLAIN FORMATIONS OF SOUTHEASTERN MASSACHUSETTS, RHODE ISLAND, AND EASTERN CONNECTICUT 



Geology by J. B. Woodworth, 



U.S. Geological Survey, 1915-1916 



EXPLANATION 



'; 





1_ 



Miocene greensand 

 (only known outcrops shown). 



Area in which Cretaceous 

 sediments may be buried. 



Upper Cretaceous infolded 



with Miocene and older 



Pleistocene deposits. 



Paleozoic and 

 older rocks. 



Approximate zone of 

 Miocene deposits. 



O 



Scale 500,000 

 lO 2o 



3oMiles 



