APPENDIX

The precision and accuracy of analyzed elements are shown in Table AT1.

Major element concentrations in the sediments of Demerara Rise using pore water squeezing residues are shown in Table AT2.

Trace element concentrations in the sediments of Demerara Rise using pore water squeezing residues are shown in Table AT3.

REE concentrations in the sediments of Demerara Rise (Site 1258) using pore water squeezing residues are shown in Table AT4.