seafloor 10 South America 6 Argentina 4 Atlantic Ocean 4 Drake Passage 4 Eocene 4 fold and thrust belt 4 orogeny 4 paleogeography 4 paleomagnetism 4 16S rRNA gene high-throughput sequencing 2 Anisotropy of magnetic susceptibility 2 Antarctic Peninsula 2 Antarctic ice sheets 2 Antarctic intermediate waters 2 Antarctica 2 Appalachians 2 Aquatic Organisms 2 Archaea 2 Argentina (fish) 2 Astrapotheria 2 Atlantic Ocean (South) 2 Bacteria 2 Baie Verte Peninsula 2 Bed forms 2 Bridges 2 Canada 2 Cenozoic 2 Charge density waves 2 Clay minerals 2