http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/roadian
2015-08-18 17:59 PM CEST
Roadian
Roadian
Roadian (older bound-270.6 +/-0.7 Ma, younger bound-268 +/-0.7 Ma)
Roadian (older bound-270.6 +/-0.7 Ma, younger bound-268 +/-0.7 Ma)
IUGS /CGI value
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