U-Pb geochronology and tectonic implications of a Silurian ash in the Farewell Terrane, Alaska

Online link https://doi.org/10.3133/pp1814F
Description The Farewell terrane is an exotic continental fragment in interior Alaska that during the early Paleozoic was the site of a passive margin. We report a <sup>238</sup>U/<sup>206</sup>Pb zircon age of 432.9±3.0 Ma from a Farewell terrane ash in Mt. McKinle
Originators Bradley, Dwight C., Dumoulin, Julie A., Bradley, Dan B., Dumoulin, Julie A.
Publication U.S. Geological Survey Professional Paper 1814

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