Neogene

Subperiod of geologic time approximately 23 to 2.6 million years ago. https://doi.org/10.3133/fs20103059
Subtopics:
Miocene (1 items)

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Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan mountains, Colorado

New age determinations with descriptions of sample locations and analytical details.

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