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
/ˈdʌnaɪt/
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 Mohorovičić 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)