V2EX chert

Chert

释义 Definition

Chert(燧石/硅质岩):一种以隐晶质(二氧化硅)石英为主要成分的硬质硅质沉积岩,常呈层状或结核状,断口多为贝壳状;有时可用来制作石器或打火材料(与 flint 常有重叠或近义用法)。

发音 Pronunciation

/ tt /

例句 Examples

The trail was covered with sharp pieces of chert.
小路上满是锋利的燧石碎片。

Microscopic study showed the limestone was cut by thin bands of chert, suggesting silica-rich fluids once moved through the rock.
显微研究显示石灰岩被薄薄的硅质岩条带切割,暗示曾有富含二氧化硅的流体在岩石中流动。

词源 Etymology

Chert 进入英语的时间较晚,多认为源自英国方言或古法语/法语地区用词,原本指一种坚硬的“燧石状石头”。随着地质学发展,它逐渐成为更规范的术语,用来指代以硅质为主、常见于沉积地层中的细粒石英岩类。

相关词 Related Words

文学与作品 Literary Works

  • Principles of Geology(Charles Lyell)地质学经典著作中常用 chert 指硅质沉积岩。
  • The Voyage of the Beagle(Charles Darwin)自然史与地质观察写作中会出现包括 chert 在内的岩石术语。
  • Annals of the Former World(John McPhee)以文学笔法书写地质学,常出现诸如 chert 的专业词汇。
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