Maryland Geological Survey 



81 



XI. Section south side of Chesapeake and Delaware Canal, y 2 mile east of 

 Summit Bridge, opposite Milepost 136. 



Feet. 

 .Weathered yellowish brown glauconitic sand indurated 

 to form rather firm iron sandstone ledges from 6 to 22 

 inches in thickness; occasional pockets of fresh glau- 

 conitic sand are seen 3 



'Gray to yellow fine micaceous sand grading into under- 

 lying stratum 10 



Ferruginous yellowish-brown sand containing crabs' 



claws 2 



Dark bluish-black argillaceous glauconitic sand. Ex- 

 posed to water's edge 4y 2 



Cretaceous. 



Monmouth . 



Matawan. 



Total 19y 2 



XII. Section at mouth of Lloyd Creek, 2 miles east of Betterton, Kent County. 



Pleistocene. Feet. 



Wicomico. .. .Gravels and boulders cemented to form a ferruginous 

 conglomerate in places, in matrix of loose white to 



yellow sand 12 



Cretaceous. 



Monmouth. . .Brownish-yellow to gray sand containing many irregu- 

 lar iron crusts roughly arranged in layers 20 



Matawan Mottled drab, light yellow, and brown fine sand in which 



there are many small pebbles about the size of a pea 

 in the upper portion and in the lower portion numer- 

 ous elongated compact iron stone concretions from 

 1 to 4y 2 feet in height, 1% feet thick, and iy 2 to 4 

 feet wide in an upright position. Exposed 28 



Total 60 



XIII. Section % mile south of Bodkin Point, Anne Arundel County. 



Cretaceous. 



Raritan. 



Feet. 



'Clay loam, buff, sandy 7 



Indurated ferruginous layer 2 



Clay, dark drab, containing many lignitized trunks of 

 trees encrusted with pyrite in small well-formed crys- 

 tals 5 



Clay, mottled V 2 



Total 14V 2 



