Dark brown mixture of shells, shell fragments, sand and pebbles. The shell material includes whole, unbroken pelecypod valves, gastropod shells, worm tubes. Pebbles of cemented sandstones. Sand of quartz and rock fragments.
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].