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Earth and Space Sciences · 术语表

什么是 Metapelite; metabasite?

又称: metapelite · metabasite

Definition 10.12 University Earth and Space Sciences — Year 2 · 第 10 章 — Metamorphic Reactions and Facies

A metapelite is a metamorphosed mudstone (a pelite), rich in aluminium and potassium, whose assemblages hold micas, chlorite, garnet, staurolite and the aluminosilicates. A metabasite is a metamorphosed basalt, gabbro or other mafic rock, rich in calcium, magnesium and iron, whose assemblages define the facies.

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