https://gcmd.earthdata.nasa.gov/kms/concept/67246f68-1e2e-48a8-b8c8-be04d247a4c2
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change note |
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definition | The Bartonian is a stage or age in the middle Eocene epoch or series. The Bartonian age spans the time between 41.2 and 37.8 Ma. It is preceded by the Lutetian and is followed by the Priabonian age. | |||||||||
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in scheme | chronounits original |