Santos, Felipe Rodrigues; Lourenço, Rafael André; Taniguchi, Satie; Martins, César de Castro; Wainer, Ilana E K C; Mahiques, Michel Michaelovitch; Nagai, Renata Hanae; Figueira, Rubens César Lopes; Bouloubassi, Ioanna D; Bicego, Marcia C (2026): n-Alkane concentrations and molecular indices (CPI, ACL, Paq) from Holocene marine sediment cores MDBT 557 and MDBT 561 (southern Brazilian shelf) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.992687