V2EX microfossil

Microfossil

定义 Definition

微体化石:体积极小、通常需借助显微镜观察的化石遗存,常见于沉积岩中,可来自微小生物(如有孔虫、硅藻)或较大生物的微小部分(如花粉、孢子)。在地质年代测定、古环境重建与石油勘探中很重要。

发音 Pronunciation

/makrofsl/

例句 Examples

Microfossils are too small to see without a microscope.
微体化石太小了,不用显微镜就看不见。

By studying microfossils in deep-sea sediments, scientists can infer past ocean temperatures and climate shifts.
通过研究深海沉积物中的微体化石,科学家可以推断过去的海洋温度与气候变化。

词源 Etymology

micro- 来自希腊语 mikros(“小的”),fossil 来自拉丁语 fossilis(“挖掘出来的”)。合起来字面意思就是“非常小的、从地层中挖掘出的遗存”,后来固定为地质学与古生物学术语。

相关词 Related Words

文学作品 Literary Works

  • Charles Lyell Principles of Geology(《地质学原理》):在讨论地层与化石证据时涉及微小化石材料与其地质意义。
  • Richard Fortey Life: An Unauthorised Biography(《生命:一部非官方传记》):以古生物学视角讲述生命史时提到微体化石在重建远古生态中的作用。
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