11 bags rocks ~ 700 lbs. Bags 1-10: Mn encrusted pillow fragments, some quite vesicular, some not. Many have thin glossy rims. Bag 11: Mn crusts, pumice ochre-colored ash? Sediment, Mn crusted piece of wood!
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].