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Earth and Space Sciences · 术语表

什么是 Ocean-floor metamorphism; serpentinisation?

又称: ocean-floor metamorphism · serpentinisation

Definition 11.12 University Earth and Space Sciences — Year 2 · 第 11 章 — Thermobarometry and P–T–t Paths

Ocean-floor metamorphism is the regional metamorphism of the oceanic lithosphere near spreading centres, by hot aqueous fluids circulating under steep geothermal gradients; recrystallisation is generally incomplete and temperature typically increases with depth. Serpentinisation is the hydration of olivine-rich rocks into serpentine.

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