V2EX turbidite

Turbidite

释义 Definition

浊积岩 / 浊流沉积岩:由浊流(turbidity current)在水下(多见于深海、湖盆或海底斜坡)快速搬运泥沙后沉积形成的岩层或沉积物。常表现为从下到上由粗到细的分层特征(常与“鲍马序列 Bouma sequence”相关)。该词在地质学中最常用;在其他语境里较少见。

例句 Examples

A turbidite layer was found in the core sample.
在岩芯样品中发现了一层浊积岩。

The canyon channel repeatedly carried sediment-laden flows that spread out on the basin floor, building stacked turbidite beds that record changes in slope stability and sea level.
海底峡谷通道反复输送富含沉积物的水下浊流,这些浊流在盆地底部铺展,形成叠置的浊积岩层,记录了斜坡稳定性与海平面变化。

发音 Pronunciation (IPA)

/t.b.dat/

词源 Etymology

turbidite 来自 turbid(“浑浊的”)+ -ite(常用于矿物或岩石名称的后缀,表示“……岩/……矿”)。字面可理解为“由浑浊(含沙)水流形成的岩(沉积物)”,强调其成因与浊流有关。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Arnold H. Bouma (1962), Sedimentology of Some Flysch Deposits: A Graphic Approach to Facies Interpretation(经典著作,系统讨论浊积岩及其沉积结构,“turbidite”频繁出现)
  • Sam Boggs Jr., Principles of Sedimentology and Stratigraphy(沉积学教材常用术语,讲解浊流与浊积岩层序)
  • H. G. Reading (ed.), Sedimentary Environments: Processes, Facies and Stratigraphy(沉积环境与相分析中常以 turbidite 作为深水沉积的重要类型)
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