Item:Q4657: Difference between revisions
Created a new Item: chronostratigraphic classification scheme, standard for organizing of Earth's rock into units based on their age or time of origin |
Created claim: subclass of (P1): stratigraphic classification scheme (Q4658) |
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Property / subclass of | |||
Property / subclass of: stratigraphic classification scheme / rank | |||
Normal rank |