MARYLAND GEOLOGICAL SURVEY 



89 



Vn. Section one mile south of Plum Point Wharf. 



Miocene. 



a a 



Feet. Inches. 



Fossillferous yellowish sandy clay grading Into yel- 

 low sand in its lower portions (Zone 15 ( 48 6 



Brownish sandy clay containing Isocanlia fraterna 

 (Zone 14) 7 



Bluish clay breaking with conchoidal fracture (Zone 



13> 13 6 



Brownish sandy clay carrying imperfect fossil casts 



(Zone 12) 2 u 



Unfossiliferous bluish clay (Zone 11) n 



Greenish sand bearing characteristic fossils (Zone 10) 9 



Total. 



91 



6 



Vin. Section 1.5 miles south of Plum Point Wharf. 



Feet. Inches. 



Miocene. 



a 



ti.2 



Yellowish sandy clay (Zone 15) jg 



Brownish sandy clay containing Isocardia fraterna 



(Zone 14) c. 



Bluish clay (Zone 13) 14 



Brownish sandy clay containing Ecphora quadricos- 

 tata var. umbilicata, Venus mercenaria, Cytherea 



staminea (Zone 12) 2 



Bluish clayey sand carrying few imperfect fossils 



(Zone 11) 13 



Bluish green sandy clay carrying characteristic fos- 

 sils (Zone 10) 6 



Total 61 



IX. Section 1.5 miles south of Dares Wharf. 



Pleistocene. ^ 2 -^ Yellowish loam, sand and gravel. 



Feet. 

 . 30 



Miocene. 





Bluish sandy clay carrying Isocardia fraterna (Zone 14) 3 



Bluish clay (Zone 13) 12 



Brownish sandy clay carrying Ecphora quadricostata var. 



umbilicata, Venus mercenaria, Cytherea staminea (Zone 12) . 2 



Bluish clay (Zone 11) 8 



Total 55 



