https://www.usgs.gov/publications/depositional-history-nannofossil-biostratigraphy-and-correlation-argo-abyssal-plain
Sediments from the Argo Abyssal Plain (AAP), northwest of Australia, are the oldest known from the Indian Ocean and were recovered from ODP Site 765 and DSDP...
argo abyssal plaindepositionalhistorynannofossilbiostratigraphy