V2EX mafic

Mafic

定义 Definition

(地质)镁铁质的:指富含镁(Mg)铁(Fe)的火成岩或矿物,通常颜色较深、密度较高,常见于玄武岩、辉长岩等岩石中。(也可泛指“成分偏基性/富镁铁”的特征。)

发音 Pronunciation (IPA)

/mfk/

例句 Examples

Mafic rocks are usually dark in color.
镁铁质岩石通常颜色较深。

The volcano mainly erupted mafic lava, which flowed quickly and spread over a wide area.
这座火山主要喷发了镁铁质熔岩,流动性较强,迅速扩散到很大范围。

词源 Etymology

mafic 是一个地质学造词,来自 ma(gnesium,镁) + f(erric/ferrous 或 iron,铁的概念) 的组合,用来概括“富镁、富铁”的成分特征。它常与 felsic(长英质) 相对。

相关词 Related Words

文献与作品 Literary Works

  • Igneous Petrology(Anthony Hall)
  • Principles of Igneous and Metamorphic Petrology(John D. Winter)
  • Introduction to Igneous and Metamorphic Petrology(John D. Winter)
  • An Introduction to the Rock-Forming Minerals(W. A. Deer, R. A. Howie, J. Zussman)
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