Supplement to: Piper, David Z; Rude, P (1985): Chemistry of pelagic sediment and associated ferromanganese nodules, DOMES Site A, Equatorial North Pacific. Open File Report No. 85-353; US Geological Survey, https://pubs.er.usgs.gov/publication/ofr85353, 1-24, https://store.pangaea.de/Projects/NOAA-MMS/piper-rude_1985.pdf