INSPIRE
Registry

Lower Ordovician

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Label:
Lower Ordovician
Definition:
Lower Ordovician (older bound-488.3 +/-1.7 Ma, younger bound-471.8 +/-1.6 Ma)
Description:
IUGS /CGI value
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Status:
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Label Governance level Status
Floian eu-technical Valid
Tremadocian eu-technical Valid