V2EX paleocurrent

Paleocurrent

释义 Definition

古水流(古洋流)方向:地质学/沉积学术语,指过去地质时期中水体(河流、潮流、海流等)的流动方向与特征,通常通过沉积构造(如交错层理、波痕、槽模等)来推断。(也可泛指“古流向/古水动力条件”)

发音 Pronunciation

/pelikrnt/

例句 Examples

The paleocurrent flowed from east to west.
古水流的流向是由东向西。

By measuring cross-bedding orientations, the team reconstructed regional paleocurrent patterns and inferred sediment sources.
研究团队通过测量交错层理的倾向,重建了区域古水流格局,并推断了沉积物来源。

词源 Etymology

由 **paleo-**(“古的、远古的”,源自希腊语 palaios)+ current(“水流/流动”,源自拉丁语 currere “奔跑、流动”)构成,字面义为“远古的水流/流向”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Principles of Sedimentology and Stratigraphy》(Sam Boggs Jr.):在沉积构造与古环境分析章节中常用于讨论paleocurrent indicators(古流向指示标志)。
  • 《Sedimentary Structures》(John Collinson & David Thompson):讲解交错层理、波痕等结构时频繁涉及古水流方向的判读。
  • 学术期刊 《Sedimentary Geology》《Journal of Sedimentary Research》:相关论文中常用该词描述古水动力方向、物源与盆地演化。
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