Light brown foraminiferal calcilutite (~50% forams) with ~5% gry-brown and yellow-tan mudstones and siltstones, some with partial manganese coatings. Less than 1% of the sand is manganese grains.
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].