Weathered basalts include large boulder (100lbs.) vesicular with secondary minerals filling vesicles. Some Mn encrusted scoraceous basaltic crust. No limestones or cherts (as far as I know) 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].