The Geological Society of America

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Testing the limits of chronostratigraphic resolution in the Appalachian Basin, Late Devonian (middle Frasnian), eastern North America: New U-Pb zircon dates for the Belpre Tephra suite
Lanik,Amanda et al.
Geological Society of America Bulletin(2016),128(11-12):1813
http://dx.doi.org/10.1130/B31408.1

The Geological Society of America
The Geological Society of America
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