Skip Links

USGS - science for a changing world

Open-File Report 2002-002

Prepared in cooperation with with the Connecticut Department of Environmental Protection

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: AT88-14

SHIP: R/V Atlantic Twin
CRUISE: AT-88
CORE: AT88-14
LENGTH: 379 cm
DATE OF CORE: 9/88
DESCRIBED BY: N. Neff
LOCATION: Southeast of Narragansett Bay, R.I., Rhode Island Sound
LATITUDE: 41o 21.0' N
LONGITUDE: 71o 12.6' W
LORAN: 14369.8, 43928.7
WATER DEPTH (m): 31
DATE SPLIT: 3/89
0 - 47 cm -  Yellowish brown, 10YR 5/6, firm, medium sand grading down - section to sandy gravel. Large 7 - cm subrounded clast at 35 cm; shell fragments. Sharp horizontal lower contact.
47 - 260 cm -  Light yellowish brown, 10YR 6/4, hard sand with a few scattered gravel clasts. 143 - 240 cm: irregular (not evenly - spaced) convex up laminations; dark: yellowish red; light: light yellowish brown; dark laminae are less than 1 cm to 2 cm thick. Gradational lower contact.
260 - 360 cm -  Light yellowish brown, 2.5Y 6/4, hard, medium to fine sand. Faint, parallel, very thin laminae of dark gray to black material (organic matter/) throughout. 296 cm: dark brown, discontinuous organic ( - ) Layer. 315 - 332 cm: laminated zone of different color; matrix sand: 10 YR 5/8, yellowisg brown. Gradational lower contact.
360 - 379 cm - Gray, 5Y 5/1, hard fine sand. Wavy, irregular, slightly inclined laminations of alternating fine sand and silt.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/of/2002/0002/htmldocs/mms88/descr/at88_14.htm
Page Contact Information: GS Pubs Web Contact
Page Last Modified: Monday, 22-Apr-2024 16:45:49 EDT