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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: AT88-5

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.


Department of the Interior > U.S. Geological Survey > Coastal and Marine Geology Program  > Long Island Sound Studies
Contact: L.J. Poppe (lpoppe@usgs.gov")