以海泛滥面为界的相对整合的沉积单位，海泛面分隔较老地层与较年轻地层并显示在连续的地较年轻地层中水深的增大。

Relatively conformable depositional units bounded by surfaces of Marine flooding, surfaces that separate older strata from younger and show an increase in water depth in successively younger strata.

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沉积速度：单位时间内零件表面沉积出金属的厚度。

Sedimentary speed: unit time parts deposition on the surface of the metal thickness.

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岩石单位首先由于沉积被储与表面或侵入覆盖的岩层。

Rock units are first emplaced either by deposition onto the surface or intrude into the overlying rock.

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