V2EX reaction rim

Reaction Rim

释义 Definition

(地质学/岩石学)反应边(反应边缘):指矿物颗粒在与周围熔体或其他矿物发生化学反应时,在其周围形成的一圈新矿物或变化带,常见于火成岩与变质岩中,用来指示温压条件变化、物质交换或不平衡反应过程。

发音 Pronunciation

/rikn rm/

例句 Examples

A thin reaction rim formed around the crystal.
晶体周围形成了一圈薄薄的反应边。

Under the microscope, the garnet shows a reaction rim of new minerals, suggesting it was no longer stable during cooling.
在显微镜下,石榴子石周围可见由新矿物组成的反应边,这表明它在冷却过程中已不再稳定。

词源 Etymology

reaction 来自拉丁语 reactio(“反作用/再作用”),强调“相互作用后产生的变化”;rim 源自古英语 rima(“边缘、边框”)。合起来 reaction rim 字面即“由反应形成的边缘”,用于描述矿物因化学反应而出现的“外缘变化带”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of Igneous and Metamorphic Petrology(Philpotts & Ague)
  • Introduction to Igneous and Metamorphic Petrology(Winter)
  • Igneous Petrology(Best)
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