Geological age
Middle Pennsylvanian
| item | description | ||||
|---|---|---|---|---|---|
| @id | https://gbank.gsj.jp/ld/resource/geoltime/item/GEOAGE_1321B0000 | ||||
| Name | Middle Pennsylvanian | ||||
| Rank | Age | ||||
| Upper age (Ma) | 307.0 ±0.1 | ||||
| Lower age (Ma) | 315.2 ±0.2 | ||||
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