“Taconic” arc magmatism in the central Brooks Range, Alaska: New U-Pb zircon geochronology and Hf isotopic data from the lower Paleozoic Apoon assemblage of the Doonerak fenster

Justin Vincent Strauss1, Carl W Hoiland2, William Ward3, Benjamin Johnson4 and William McClelland3, (1)Dartmouth College, Department of Earth Sciences, Hanover, United States, (2)Stanford University, Stanford, CA, United States, (3)University of Iowa, Department of Earth and Environmental Sciences, Iowa City, IA, United States, (4)West Virginia University, Department of Geology and Geography, Morgantown, WV, United States