THE NEWARK ROCKS OF NEW JERSEY AND 

 NEW YORK 1 



The Newark rocks extend across the northern part of New 

 Jersey, forming a belt which is about thirty-two miles wide 



jPre Newark. 

 ,fS3 Newark. 

 QTJJJ Post Newark 



Fig. i. — Newark area of New Jersey and New York. 



along the Delaware River, and fifteen miles wide at the New 

 York state line. In Rockland county, New York, the Newark 

 area forms a right triangle, the apex of which is near Stony 



* More detailed accounts are given in the following papers: Annual Report of 



23 



