INSPIRE
Registry

Upper Ordovician

ID:
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Label:
Upper Ordovician
Definition:
Upper Ordovician (older bound-460.9 +/-1.6 Ma, younger bound-443.7 +/-1.5 Ma)
Description:
IUGS /CGI value
Governance level:
Status:
Predecessors:
Parents:
Themes:
Application schema:
Code list:
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Label Governance level Status
Hirnantian eu-technical Valid
Katian eu-technical Valid
Sandbian eu-technical Valid