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



Core No. 



Water depth 

 (ft) 



Internal 

 (ft) 



Description 



22 



53 



to 4.5 



Gray (5Y 7/1), silty fine sand 







4.5 to 7.8 



Gray (5Y 8/2) coarse sand with <2-In-diam pebbles 







7.8 



Gray (5Y 6/1) very fine sand and silt 



23 



51 



to 16 



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



24 



54 



to 12.5 



Gray (5Y 8/2) very fine, fine to medium sand 



25A 



39 



to 14.8 



Light gray (5Y 8/2) fine sand 



26 



65 



to 10.2 



Reddish brown (10YR 7/4) fine sand 



26B 



67 



to 9.5 



Grayish brown (10YR 7/2) fine to medium sand 



27 



39 



to 10 



Gray (5Y 7/2) fine, clean sand 







10 to 15 



Gray (10YR 7/3) silt-clay with <2-in-diam pebbles at 10 ft 



29 



39 



to 6 



Clay, grading in color from gray at top (5Y 7/1) to buff 

 (2.5Y 8/4) at 2.5 ft to tan (10Y 7/6) at 6 ft 



30 



46 



to 2 



Gray clay (5Y 7/1) 







2 to 9.5 



Brown (2.5Y 5/2), fine to medium clean sand with very 

 small pebbles 



31 



36 



to 7.8 



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



32 



37 



to 4.5 



Gray (5Y 7/1) silt-clay 







4.5 to 6.7 



(10YR 7/2), clean fine to medium sand 



33 



20 



to 6 



Gray (5Y 7/2) silt-clay 



34 



61 



to 7.2 



Gray (5Y 7/2) silt-clay 



36 



47 



to 3 



Gray (5Y 6/1) slightly silty, medium to coarse sand 







3 to 14 



Tan (10YR 6/3), clean poorly sorted very coarse sand 

 with <1.3-in-diam pebbles 



37A 



52 



to 5.5 



Gray (5Y 6/2) silt-clay 







5.5 to 9 



(10YR 7/3), clean fine to medium sand 







9 to 11.5 



(10YR 7/4), clean coarse sand with small pebbles 



38 



39 



to 12.8 



Gray (10YR 8/1), clean medium to coarse sand with pebbles 







12.8 



Gray (10YR 7/1) very fine silty sand 



39 



38 



to 6 



Gray (5Y 6/1) silt-clay 







6 to 10 



Grayish brown (2.5Y 6/4), clean fine sand with small pebbles 



41 



65 



to 4 



Gray (5Y 7/1) silt-clay 







4 to 13.5 



Gray (2.5 6/2) medium to coarse clean sand with small pebbles 



42 



37 



to 1.5 



Gray (5Y 5/2), silty coarse sand 







1.5 to 5 



Gray (5Y 7/3) coarse to very coarse sand 







5 to 7 



Gray (5Y 6/1) silty fine to medium sand 







7 to 9.2 



Gray (5Y 5/3) slightly silty coarse sand with <2-in-dlam 

 pebbles 



43 



49 



to 4 



Gray (5Y 5/2), silty fine sand 







4 to 8.5 



Gray (5Y 7/2), silty very fine sand 



44 



59 



to 3.5 



Gray (5Y 5/2), silty medium sand 







3.5 to 9.2 



(10YR 8/2), clean medium sand 



45 



64 



to 5.5 



Gray (5Y 7/2), very silty fine sand 







5.5 to 6.5 



Gray (2.5Y 8/2) fine to medium sand 



59 



