(Table 1) Occurrence of ichthyoliths at DSDP Hole 56-436
收藏B2FIND2026-04-05 收录
官方服务：
资源简介：
Approximately 20 meters of the section near the bottom of Hole 436 was "unfossiliferous," overlain by middle Miocene mudstone with siliceous microfossils and underlain by...
436号钻孔底部附近约20米的层段不含化石，其上覆地层为含硅质微体化石的中中新世泥岩，下伏地层为……
