The continental margin in the Bellingshausen Basin off West Antarctica was geologically and geophysically surveyed. The paleo-trench. which has been inferred from the seafloor magnetic anomalies. is found out in the 3-fold seismic reflection profiles. https://www.diegojavierfares.com/huge-sale-Select-Your-Ship-Kid-s-Youth-Tee-amazing-save/