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U.S. Geological Survey Open-File Report 02-002
Geological Framework Data from Long Island Sound, 1981-1990:
A Digital Data Release
Visual Core Description: AT88-11
| SHIP: | R/V Atlantic Twin |
| CRUISE: | AT-88 |
| CORE: | AT88-11 |
| LENGTH: | 392 cm |
| DATE OF CORE: | 9/88 |
| DESCRIBED BY: | N. Neff |
| LOCATION: | West of Block Island, R.I., Block Island Sound |
| LATITUDE: | 41o 10.3' N |
| LONGITUDE: | 71o 43.0' W |
| LORAN: | 25929.6, 43899.0 |
| WATER DEPTH (m): | 17 |
| DATE SPLIT: | 3/89 |
| 0 - 50 cm - | Reddish yellow, 7.5 YR 6/6, hard medium sand, very well sorted (no shell material). Gradational lower contact (color change only). |
| 50 - 392 cm - | Light brownish gray, 2.5Y 6/2, hard medium sand. (The color difference between these two units may be due to downcore differences in water content and related organic activity subsequent to collection of the sample). |