The processes that form and recycle continental crust have changed through time. Numerical models reveal an evolution from extensive recycling on early Earth as the lower crust peeled away, to limited recycling via slab break-off today.

中文翻译：

---

板块构造：地壳循环演化

随着时间的流逝，形成和循环大陆壳的过程发生了变化。数值模型揭示了从早期地壳剥落开始的大量回收，到如今通过板坯断裂而导致的有限回收的演变。