region | period | depth (m) | sediment | number | associates | source |
---|---|---|---|---|---|---|
Gold Coast (= Ghana) to Roscoff, including W Mediterranean Sea | 1932–1977 | 0–200 | mud, muddy sand, sandy mud | 1–40 | ||
Bay of the Seine | 2008–2011 | 10–25 | mud, muddy sand, sand | 30 | ||
Dieppe–Le Tréport | 2015–2018 | 12–25 | including coarse sand | |||
southern North Sea | 2019 | 32 | sand with shell grit | 1 | this paper |