No biological specimens. Colected one (1) bag of basalt (altered & vesiculated) with no more than 2 cm of botryoidal mn crust - Also tuffaceous matter. Some granular Mn deposits also.
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].