Bridgeton Formation — L,ocae Detaies. 39 



the line of an abrupt scarp which overlooks Delaware Bay. It 

 is evident that the material did not terminate this way orig- 

 inal!)-. Its original slope, continued southward, would carry it 

 down to an altitude of about 40 feet near the shore of the pres- 

 ent bay, and its original southward extension has probably been 

 removed by erosion. 



The scarp from Port Norris to Salem was doubtless developed 

 in post-Bridgeton time. 



BETWEEN COHANSEY CREEK AND MAURICE RIVER. 



Distribution. — This area lies between Daretown and Elmer on 

 the north and Dividing Creek and Newport Station on the south. 

 The Bridgeton formation covers the higher parts of this divide 

 generally, especially at the north (north of Bridgeton and Rosen- 

 hayn) . To the south it is more patchy, where smaller continuous 

 areas of the original divide remain. The short tributaries of 

 Cohansey Creek have cut through the formation near the main 

 valley only, while the larger tributaries of the Maurice River 

 have dissected it much more extensively. This is partly be- 

 cause of the greater size of the Maurice River and its tribu- 

 taries, and partly because of the lesser original thickness of the 

 formation in the basin of this stream. 



At the north, the base of the formation has an elevation of 

 no to 120 feet, but it declines to about 90 feet or a little less 

 in the latitude of Bridgeton, and to 60 feet or so at Dividing 

 Creek Station. 



Fig. 27 shows the general relations of the formation in this 

 region, or, more exactly, from Barnsboro to Port Norris, along 

 the line passing through Centertonf Rosenhayn, Carmel, Center 

 Grove, and Dividing Creek. From Union Grove southward, the 

 Bridgeton appears in isolated areas only, capping the divides. 

 Had the section been located west of Elmer, through Deerfield 

 and Woodruff, more of the formation would have appeared. 



The section shows that the base of the Bridgeton is marked by 

 slight irregularities, but the great fact is its decline to the 

 southward from about 140 feet in the vicinity of Elmer, to 60 



