Linked Data Service of GSJ
Geological age
Ludfordian
itemdescription
@idhttps://gbank.gsj.jp/ld/resource/geoltime/item/GEOAGE_134020100
NameLudfordian
RankAge
Upper age (Ma)422.7 ±1.6
Lower age (Ma)425.0 ±1.5
Source
Name@id
地質系統・年代の日本語記述ガイドライン(v2024/12)(日本地質学会)https://geosociety.jp/name/content0062.html
isPartOf
Name@id
Ludlowhttps://gbank.gsj.jp/ld/resource/geoltime/item/GEOAGE_134020000