Biostratigraphic datums from DSDP Site 31-296
收藏DataONE2025-08-19 更新2025-12-06 收录
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The numerical age estimates follow the Geologic Time Scale 2012 (Gradstein et al. 2012), except for one nannofossil biohorizon (paracme end; Reticulofenestra pseudoumbilicus), which we used the age estimates of Raffi et al. (2006).
FO: First occurrence, LO: last occurrence, PB: paracme beginning, PE: paracme end
创建时间：
2025-11-05
