Wickersham #55 in the Alaska

Wickersham

Basement domain in the Alaska

Geologic information

Region	Alaska
Crust	Type: Passive margin Formation age: 700-350 Ma
Accretion	Type: Collisional/StrSlip Age: 215 Ma
Notes	Continental rise, Laurentian origin

Geographic extent

Fairbanks North Star, Matanuska-Susitna, Yukon-Koyukuk

Bibliographic references

Moore, T.E., and Nokleberg, W.J., 1988, Stratigraphy, sedimentology, and structure of the Wickersham terrane in the Cache Mountain area, east-central Alaska, in Galloway, J.P., and Hamilton, T.D., eds., Geologic studies in Alaska by the U.S. Geological Survey during 1987: U.S. Geological Survey Circular 1016, p. 75–80.Bradley, D.C., McClelland, W.C., Wooden, J., Till, A.B., Roeske, S., Miller, M.L., Karl, S., and Abbott, J.G., 2007, Detrital zircon geochronology of some Neoproterozoic to Triassic rocks in interior Alaska: Geological Society of America Special Paper 431, p. 155–180.Dusel-Bacon, Cynthia, and Williams, I.S., 2009, Evidence for prolonged mid-Paleozoic plutonism and ages of crustal sources in east-central Alaska from SHRIMP U-Pb dating of syn-magmatic, inherited and detrital zircon: Canadian Journal of Earth Sciences, v. 46, p. 21–39.