Geological age
Late Pennsylvanian
| item | description | ||||||
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| @id | https://gbank.gsj.jp/ld/resource/geoltime/item/GEOAGE_1321A0000 | ||||||
| Name | Late Pennsylvanian | ||||||
| Rank | Age | ||||||
| Upper age (Ma) | 298.9 ±0.15 | ||||||
| Lower age (Ma) | 307.0 ±0.1 | ||||||
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