V2EX peridotite

Peridotite

释义 Definition

Peridotite(橄榄岩):一种超镁铁质火成岩,主要由橄榄石(olivine)组成,常含辉石等矿物;是地幔中很典型的岩石类型,也常以地幔捕虏体(xenolith)形式出现在某些火山岩里。(该词在专业语境中也常泛指一类以橄榄石为主的超镁铁质岩石。)

发音 Pronunciation (IPA)

/prdtat/

例句 Examples

Peridotite is rich in olivine.
橄榄岩富含橄榄石。

Geologists study peridotite xenoliths to understand the composition and temperature of Earth’s upper mantle.
地质学家研究橄榄岩捕虏体,以了解地球上地幔的成分与温度条件。

词源 Etymology

peridotite来自法语/新拉丁化的构词,核心与peridot(贵橄榄石)相关;因为这种岩石常呈现富含橄榄石的绿色外观与矿物组成,故以此得名。后缀 -ite 常用于表示“某种矿物/岩石”。

相关词 Related Words

文学与著作中的用例 Literary Works

(该词更常见于地质学教材与科普的“岩石学/地幔”章节或索引中。)

  • Principles of Igneous and Metamorphic Petrology(Anthony Philpotts & Jay Ague)
  • Igneous and Metamorphic Petrology(Myron G. Best)
  • Earth: An Introduction to Physical Geology(Tarbuck & Lutgens)
  • An Introduction to Igneous and Metamorphic Petrology(John D. Winter)
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