V2EX dunite

Dunite

Definition / 释义

dunite(地质)指一种超基性火成岩,几乎主要由橄榄石(olivine)组成,常见于地幔岩或蛇绿岩套中;有时会含少量辉石、尖晶石等矿物。

Pronunciation / 发音

/dnat/

Examples / 例句

Dunite is rich in olivine and usually greenish in color.
橄榄岩富含橄榄石,颜色通常偏绿色。

In the ophiolite sequence, geologists identified dunite layers that likely represent mantle-derived material.
在蛇绿岩序列中,地质学家识别出橄榄岩层,可能代表来自地幔的物质。

Etymology / 词源

dunite得名于新西兰南岛的Dun Mountain(邓山),19世纪地质研究中以该地出露的典型岩石为依据命名;后缀 -ite 常用于表示“某类岩石/矿物”。

Related Words / 相关词汇

Notable Works / 著名作品

  • Igneous Rocks: A Classification and Glossary of Terms(Le Maitre 等)
  • Principles of Igneous and Metamorphic Petrology(Anthony Philpotts & Jay Ague)
  • Igneous Petrology(Francis J. Turner & John Verhoogen)
  • The Nature of the Mohorovii Discontinuity(多篇地球物理与岩石学文献中常讨论与橄榄岩/橄榄岩类如 dunite 的关系)
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