By following the fossils, Smith was able to put all the strata of England's earth into relative temporal sequence. 通过研究这些化石,史密斯能够把英国土地所有的地层按相对的时间顺序排列起来。
Instead, they are other volcano types, like strata volcanoes, for example, which are a result of the tectonic plate movement. 相反,它们是其他类型的火山,比如地层火山,是板块运动的结果。