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: AT88-5
SHIP: | R/V Atlantic Twin |
CRUISE: | AT-88 |
CORE: | AT88-5 |
LENGTH: | 288 cm |
DATE OF CORE: | 9/88 |
DESCRIBED BY: | N. Neff |
LOCATION: | North of Herod Point, Long Island Sound |
LATITUDE: | 41o 01.4' N |
LONGITUDE: | 72o 51.2' W |
LORAN: | 26510.0, 43930.7 |
WATER DEPTH (m): | 36 |
DATE SPLIT: | 3/89 |
0 - 165 cm - | Olive gray, 5Y 4/2, firm sandy silt. Faint mottling between 60 - 120 cm. Sand content increases down - section; medium sand layer at 150 - 154 cm. Sharp, inclined lower contact. |
165 - 175 cm - | Brownish dark gray, 10YR 4/1, hard, medium sand. Gradational lower contact (color change only). |
175 - 288 cm - | Dark gray, 10YR 4/1, hard, medium sand. Some scattered, irregular laminations most pronounced at 255 - 288 cm. |