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Earth and Space Sciences · 术语表

什么是 Principle of cross-cutting relationships?

又称: cross-cutting relationships, principle of

Definition 22.3 Primary & Middle School Earth and Space Sciences · 第 22 章 — The Ages of the Earth

The principle of cross-cutting relationships: a rock or a structure that cuts across other rocks is younger than the rocks it cuts. A mass of granite that cuts through layers, a fault that breaks them and an erosion surface that wears them away are all younger than those layers.

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