unconformity中文什么意思

n.
(pl. -ties)
1.不相符；不一致；不相称；不顺从。
2.【地质学；地理学】不整合；不整合面。

• accord unconformity:    平行不整合
• accordant unconformity:    平行不整合
• angle of unconformity:    不整合角

例句与用法

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1. There is sufficient sand available to blanket the unconformity .
   这里有充足的砂质物铺盖不整合面。
2. The unconformity marks the change from fluvial to marginal marine deposition .
   不整合面标志着河相至边缘海相沉积的相变。
3. At scinto 6 uranium occurs in much altered dolerite below the unconformity .
   “辛托6”的铀矿体产于不整合面之下变质甚深的粒玄岩中。
4. In fact, the available sand is insufficient to form a continuous blanket overlying the unconformity .
   事实上，所补入的砂质物不足以在不整合面上形成连续的盖层。
5. The erosional surface dissected by such valleys may subsequently become an unconformity in the stratigraphic sequence .
   被这种河谷切割的侵蚀面后来可能成为地层层序中的不整合性。

百科释义

An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous. In general, the older layer was exposed to erosion for an interval of time before deposition of the younger, but the term is used to describe any break in the sedimentary geologic record.