最終更新日：2024/08/08

(geochronology) A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.

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marker horizon

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元となった辞書の項目

marker horizon

noun

(geochronology) A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.

The marker on the horizon indicated the location of the shipwreck.

意味（1）

(geochronology) A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.