Table A-2. Sediment description from cores in Long Island Sound. 



Core No. 



Water depth 



Internal 



Description 





(ft) 



(ft) 





1 



61 



to 6.3 



Gray (2.5Y 6/2), moderately sorted, medium to course quartz 

 sand 



2A 



56 



to 2 



Gray (5Y 6/1) medium sand, well sorted, with small pebbles 







2 to 2.5 



(5Y 6/2), fine to medium sand 







2.5 to 4 



(5Y 6/2), poorly sorted, fine to coarse sand 







4 



Gray (5Y 7/1) silt 



4 



21 



to 12.5 



Gray (5Y 7/2) silt 







12.5 to 13.4 



(5Y 8/2), clean medium to coarse sand 



5 



27 



to 4.5 



Gray (5Y 6/1) very fine sand 







4.5 to 12 



Gray (5Y 7/2) silt 



6B 



55 



to 4.5 



Brown (2.5Y 6/2) fine sand 







4.5 to 10.5 



Gray (5Y 7/2) silt 



7A 



58 



to 0.5 



Gray (5Y 6/2) medium sand 







0.5 to 10.2 



(5Y 8/2), medium to coarse sand with <1.5-in-diam pebbles 



8 



50 



to 13.8 



Gray (5Y 6/2) micaceous well-sorted fine sand 



9 



50 



to 4 



(5Y 6/2) medium to coarse sand 







4 to 13 



Clean, coarse sand with O-in-diam pebbles 







13 to 15 



Gray, (5Y 6/2) silty fine to medium sand 



10 



45 



to 6 



(5Y 7/3) clean, well-sorted, fine to medium sand 



11 



40 



to 6 



Gray (5Y 7/1) silt-clay 







6 to 10 



(2.5Y 7/2), medium to coarse clean sand 







10 to 13.4 



light brown (5Y 7/2), very fine, fine micaceous sand 



12 



32 



to 10.5 



Gray (5Y 7/2) fine to medium sand 







10.5 to 13 



Brown (7. SYR 5/6) medium sand 



13 



29 



to 12.4 



Grayish brown (5Y 6/1) fine to medium sand 



14 



31 



to 4.5 



Gray (5Y 6/2) fine sand 







4.5 to 12.2 



Light brown medium sand 



15 



31 



to 2 



Gray (5Y 6/1), silty fine sand 







2 to 14.5 



Gray (5Y 8/1), clean medium to coarse sand 



16 



38 



to 8.5 



Gray (5Y 7/1) silt 







8.5 to 13 



Grayish brown (5Y 8/1), clean medium to coarse sand 



17 



31 



to 9 



Gray (5Y 7/2) silt 







9 to 12.5 



Grayish brown (5Y 8/2) medium sand 



18 



32 



to 8 



Gray silt (5Y 7/2) 







8 to 13 



Grayish brown (5Y 8/1) medium sand 



19 



54 



to 10 



Gray (5Y 7/2) silt 



20A 



82 



to 6 



Gray (5Y 6/2) very fine sand 







6 to 7 



White (5Y 8/1) fine sand 







7 to 7.7 



Pink (7.5YR 8/2) fine sand 



21 



41 



to 10.7 



Tan (10YR 7/3), silty, fine, medium to coarse sand with 

 ^2.5-in-diam pebbles 



58 



