Neogene radiolarian datum levels in the equatorial Indian and Pacific Oceans

Fifty radiolarian events of early Pleistocene and Neogene age were identified in an E-W transect of equatorial DSDP sites, extending from the Gulf of Panama to the western...在从巴拿马湾延伸至西部的赤道深海钻探计划（Deep Sea Drilling Project, DSDP）站位东西向断面中，共识别出更新世早期与新近纪时期的50次放射虫事件。