1.58 50.91 1.99 50.61 S_FGEOL_1 urn:cgi:classifier:CGI:MappedFeatureObservationMethod:published_map approximate 500 basaltes, spilites, dolérites urn:cgi:feature:BRGM:StratigraphicLexicon:F12 urn:cgi:classifier:CGI:FeatureObservationMethod:synthesis_of_multiple_published_descriptions instance urn:cgi:classifier:ICS:StratChart:2008:Neoarchean urn:ogc:def:nil:OGC:missing urn:cgi:classifier:CGI:GeologicUnitPartRole:only_part urn:cgi:classifier:CGI:ProportionTerm:2008:all 1.59 50.70 1.85 50.75 1.90 50.87 1.64 50.83