"Seafloor sediment" refers to the loose material that settles at the bottom of the ocean over time. It can include sand, mud, rocks, and other particles that accumulate on the ocean floor. Full definition
Researchers of the Senckenberg Biodiversity and Climate Research Centre, the Goethe University in Frankfurt and the University of Toronto have now detected evidence of this oceanographic event and an earlier sudden sea - level rise in the fossils of tiny calcifying marine algae preserved in seafloor sediments in the Aegean Sea. (sciencedaily.com)
A recent study by Moffitt and colleagues of seafloor sediments from the end of the last Ice Age, around 10,000 to 17,000 years ago, revealed that Pacific Ocean ecosystems from the Arctic to Chile «extensively and abruptly lost oxygen when the planet warmed through deglaciation,» she said. (e360.yale.edu)
Her work immediately brought to mind the ceramics of Joan Lederman, an artist in Woods Hole, Mass., who creates glazes from seafloor sediments retrieved by oceanographers roaming the world from the nearby Woods Hole Oceanographic Institution: (dotearth.blogs.nytimes.com)