en
2015-08-18 18:01 PM CEST
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/mesoarchean:1
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/mesoarchean
Mesoarchean (older bound-3200.0 Ma, younger bound-2800.0 Ma)
IUGS /CGI value