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Walker et al., 2019) that require abandoning northern Cordillera: Lithosphere, v. 8, composite terrane and the paleo-Alaskan
existing hypotheses and exploring funda- p. 451–462, https://doi.org/10.1130/L525.1. margin: Lithosphere, v. 5, p. 575–594, https://
mentally different interpretations. Dickinson, W.R., 1974, Plate tectonics and doi.org/10.1130/L310.1.
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Tectonics and Sedimentation: Society of continent of North America: Annual Review of
ACKNOWLEDGMENTS Economic Paleontologists and Mineralogists, Earth and Planetary Sciences, v. 36, p. 495–530,
We acknowledge the pioneering work of v. 22, p. 1–27. https://doi.org/10.1146/annurev.earth.36.031207
geologists in Canada and Alaska who attempted Dusel-Bacon, C., Hopkins, M.J., Mortensen, J.K., .124331.
geologic syntheses of this complicated region. Dashevsky, S.S., Bressler, J.R., and Day, W.C., Kapp, P.A., and Gehrels, G.E., 1998, Detrital
In addition, we acknowledge the mapping and 2006, Paleozoic tectonic and metallogenic zircon constraints on the tectonic evolution of
analyses conducted in this area by our students. evolution of the pericratonic rocks of the Gravina belt, southeastern Alaska:
Much of our work has been funded by the National east-central Alaska and adjacent Yukon, in Canadian Journal of Earth Sciences, v. 35,
Science Foundation, including EAR-0809608 Colpron, M., and Nelson, J.L., eds., Paleozoic p. 253–268.
(Amato), EAR-1818509 (Gehrels), EAR-0809609 Evolution and Metallogeny of Pericratonic Labrado, A., Pavlis, T.L., Amato, J.M., and Day,
(Pavlis), EAR-1550034 (Ridgway), EAR-1828737 Terranes at the Ancient Pacific Margin of North E.M., 2015, The tectonic significance of the
(Roeske), EAR-1450687 (Trop), along with grants America, Canadian and Alaskan Cordillera: Early Cretaceous forearc-metamorphic
to our students from GSA and the Alaska Geological Association of Canada Special assemblage in south-central Alaska based on
Geological Society. Paper 45, p. 25–74. detrital zircon dating of sedimentary
Engebretson, D.C., Cox, A., and Gordon, R.G., protoliths: Canadian Journal of Earth
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