V2EX aphanite

Aphanite

Definition / 释义

aphanite(地质)隐晶岩;细粒火山岩。指岩石中矿物晶体非常细小,肉眼难以分辨,整体呈致密细粒状(常与 phanerite “显晶岩/粗粒”相对)。该词也常与形容词 aphanitic(隐晶质的) 搭配使用。

Pronunciation / 发音

/fnat/

Examples / 例句

The lava cooled quickly and formed aphanite.
熔岩快速冷却,形成了隐晶岩(细粒火山岩)。

Under the microscope, the aphanite shows tiny crystals in a fine groundmass, suggesting rapid cooling near Earth’s surface.
在显微镜下,这块隐晶岩可见细小晶体分布在细粒基质中,表明它在地表附近快速冷却形成。

Etymology / 词源

来自希腊语词根 aphan-,意为“不可见的、看不见的”(与 φαν- “显现”相关词相对),再加上表示岩石/矿物的后缀,整体含义即“晶体不可见的岩石”,用来强调其细粒、隐晶的结构特征。

Related Words / 相关词

Literary Works / 文学与著作示例

  • An Introduction to Igneous and Metamorphic Petrology(John D. Winter)
  • Igneous Petrology(Anthony R. Philpotts & Jay J. Ague)
  • The Encyclopedia of Igneous and Metamorphic Petrology(Martin J. Le Bas & A. R. Woolley 等编)
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