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Earth and Space Sciences · 术语表

什么是 Batholith?

Definition 22.7 High School Earth and Space Sciences · 第 22 章 — Magmatism at Subduction Zones

A batholith is a large mass of plutonic rock that covers more than 100 km2100\,\mathrm{km}^{2} where erosion has exposed it. It forms where many plutons, intruded one after another, join beneath the surface.

The Sierra Nevada, seen from the east: granite and granodiorite of the Sierra Nevada batholith, which crystallised deep down above a subduction zone in the Cretaceous. Photograph James St. John (CC BY 2.0).
The Sierra Nevada, seen from the east: granite and granodiorite of the Sierra Nevada batholith, which crystallised deep down above a subduction zone in the Cretaceous. Photograph James St. John (CC BY 2.0).
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