V2EX depositional environment

Depositional Environment

Definition 定义

depositional environment沉积环境;指沉积物(如砂、泥、砾石、碳酸盐等)被搬运并最终沉积、堆积的自然环境及其条件组合,包括水深/能量、流体类型(河流、海洋、风等)、气候、地形与生物作用等。该术语常用于沉积学与地层学中,用来解释岩石形成过程与古环境重建。(也常译作“沉积作用环境/沉积相环境”。)

Pronunciation 发音(IPA)

/dpznl nvarnmnt/

Examples 例句

The depositional environment was a shallow lake.
沉积环境是一个浅湖。

Based on grain size, fossils, and sedimentary structures, geologists inferred a deltaic depositional environment that shifted with sea-level changes.
根据颗粒大小、化石和沉积构造,地质学家推断这里曾是三角洲沉积环境,并会随海平面变化而迁移。

Etymology 词源

depositional 来自动词 deposit(沉积、堆积),其来源可追溯到拉丁语 depositus(“放下、放置”之意);后缀 -ional 表示“与……有关的”。environment 源自法语 environ(“周围、环绕”),引申为“周围条件/环境”。合起来就是“与沉积发生相关的环境条件”。

Related Words 相关词汇

Notable Works 作品示例

  • **Boggs, Principles of Sedimentology and Stratigraphy**(《沉积学与地层学原理》):讨论不同沉积环境与沉积相、沉积构造的对应关系。
  • **Reading(ed.), Sedimentary Environments: Processes, Facies and Stratigraphy**(《沉积环境:过程、相与地层》):系统梳理河流、三角洲、海岸、深海等沉积环境。
  • **Walker & James(eds.), Facies Models**(《相模式》):以“相模式”方式归纳典型沉积环境的识别特征与空间组合。
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