Sediment above and below the gypsum layer contained tiny marine fossils, indicating open-ocean conditions.
在石膏层上方和下方的沉积物中含有许多小型海洋生物化石,这表明这里的海洋环境很开放。
2
They found fossils of microscopic marine plants which suggest that the region was once openocean, not solid ice.
他们发现了微型海洋植物的化石,表明该地区曾经是开放的海洋,而不是坚固的冰层。
3
Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once openocean not solid ice.