85% organic and 15% calcareous silt and a few volcanic rocks. There is one black vesicular piece of lava which is mostly glass. About 70% of the trawl is forams,10% is light tan worm tubes, 5% is pteropods and other critters.
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].