Geological age
Middle Jurassic
| item | description | ||||||
|---|---|---|---|---|---|---|---|
| @id | https://gbank.gsj.jp/ld/resource/geoltime/item/GEOAGE_122020000 | ||||||
| Name | Middle Jurassic | ||||||
| Rank | Epoch | ||||||
| Upper age (Ma) | 161.5 ±1.0 | ||||||
| Lower age (Ma) | 174.7 ±0.8 | ||||||
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| Chronostratigraphic Chart [Chart] |
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