http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/upperOrdovician
2016-06-06 14:01 PM CEST
Upper Ordovician
Upper Ordovician
Upper Ordovician (older bound-460.9 +/-1.6 Ma, younger bound-443.7 +/-1.5 Ma)
Upper Ordovician (older bound-460.9 +/-1.6 Ma, younger bound-443.7 +/-1.5 Ma)
IUGS /CGI value
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http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/hirnantian
2015-08-18 18:00 PM CEST
Hirnantian
Hirnantian
Hirnantian (older bound-445.6 +/-1.5 Ma, younger bound-443.7 +/-1.5 Ma)
Hirnantian (older bound-445.6 +/-1.5 Ma, younger bound-443.7 +/-1.5 Ma)
IUGS /CGI value
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/katian
2015-08-18 18:00 PM CEST
Katian
Katian
Katian (older bound-455.8 +/-1.6 Ma, younger bound-445.6 +/-1.5 Ma)
Katian (older bound-455.8 +/-1.6 Ma, younger bound-445.6 +/-1.5 Ma)
IUGS /CGI value
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/sandbian
2015-08-18 18:00 PM CEST
Sandbian
Sandbian
Sandbian (older bound-460.9 +/-1.6 Ma, younger bound-455.8 +/-1.6 Ma)
Sandbian (older bound-460.9 +/-1.6 Ma, younger bound-455.8 +/-1.6 Ma)
IUGS /CGI value