Table A-4. Sediment description from Suffolk County sewer outfall cores.— Continued 



Core no. 



Water depth 



Core length 



Interval 



Description 





(feet) 



(feet) 



(feet) 





V-1 



26 



39.4 



to 1.2 



1.2 to 1.3 



1.3 to 1.8 

 1.8 to 8.8 

 8.8 to 9.3 

 9.3 to 11.2 



11.2 to 12.0 

 12.0 to 13^5 

 13.5 to 15.0 

 15.0 to 16.0 

 16.0 to 18.4 

 18.4 to 19.4 

 19.4 to 37.0 

 37.0 to 38.0 

 38.0 to 38.4 

 38.4 to 39.4 



Light brown, medium to coarse sand. 



Black, silty clay. 



Medium to coarse sand with shell and gravel. 



Light gray, fine to medium sand. 



Gray, sandy silt with shells. 



Silty clay with thin, sandy lenses. 



Fine, sandy silt. 



Gray, silty, fine sand. 



Fine to medium sand with shells. 



Sandy, sUty, small gravel. 



Light gray, fine to medium, silty sand. 



Sandy, smaU gravel. 



Gray, fine to medium sand. 



Sandy, fine gravel. 



Dark gray, stiff clay. 



Gray, medium to coarse sand. 



V-14 



32 



37.8 



to 2.7 



2.7 to 3.3 

 3.3 to 3.8 



3.8 to 9.2 

 9.2 to 9.6 

 9.6 to 16.0 



16.0 to 18.9 

 18.9 to 21.4 

 21.4 to 23.3 

 23.3 to 27.9 

 27.9 to 30.7 

 30.7 to 37.8 



Gray, medium sand. 



Dark gray, fine sand with mica. 



Dark gray clay. 



Dark gray, fine sand. 



Dark gray clay. 



Dark gray, fine sand. 



Dark gray, compact clay. 



Dark gray, fine to medium sand. 



Dark gray, medium sand with gravel. 



Gray, fine to medium sand. 



No sample available. 



Gray, fine to medium sand. 



V-1 3 



38 



33.7 



to 1.1 

 1.1 to 16.3 

 16.3 to 20.0 

 20.0 to 24.0 

 24.0 to 28.3 

 28.3 to 33.7 



Gray, medium sand with shells. 



Light gray, fine to medium sand. 



No sample available. 



Light gray, fine to medium sand. 



No sample available. 



Gray, fine to medium sand with silt lenses. 



V-7 



42 



36.6 



to 0.8 



0.8 to 25.5 



25.5 to 32.0 



32.0 to 35.4 



35.4 to 36.6 



Gray, fine to medium sand with large shell fragments. 



Gray, fine to medium sand. 



No sample available. 



Gray, fine to medium sand. 



Dark green to black, fine to medium sand. 



102 



