Dark gray lutaceous sand mixed with shells and shell fragments containing worms and worm tubes in addition to gastropod shells. Sand consists of silt and lutite, glassy, rounded quartz.
Cite the IMLGS database as: Curators of Marine and Lacustrine Geological Samples Consortium. The Index to Marine and Lacustrine Geological Samples (IMLGS). National Geophysical Data Center, NOAA. doi:10.7289/V5H41PB8 [date of access].