We've got mudstones and very fine-grained sediments and how they fossilize, nodules and cementation.

我们有泥岩和非常细粒的沉积物，以及它们、结核和胶结作用。

It seems that iron is the paleontologist's friend so any kind of iron cementation, iron stone cementation, so siderite, iron carbonate helps to preserve structures within sediment.

铁似乎是古生物学家的朋友，所以任一种铁胶结，铁胶结，所以菱铁矿，碳酸铁有助于保护沉积物中的结构。