One large fragment of scoria encrusted with sea squirts and one rugose core skeleton. Dimensions 16x12x6 cm. Second piece was a flat piece of well-indurated marl, dimensions 10x6x1 cm, some hydrotroilite present.
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].