Mineral Resources
Online Spatial Data
Basement domains of the conterminous US and Alaska
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Koyukuk north
Basement domain in the Alaska
Geologic information
Region
Alaska
Crust
Type:
Oceanic arc
Formation age:
175-125 Ma
Accretion
Type:
Collisional
Age:
135-115 Ma
Notes
Koyukuk arc
Geographic extent
Northwest Arctic
Bibliographic references
Box, S.E., and Patton, W.W., Jr., 1989, Igneous history of the Koyukuk terrane, western Alaska—Constraints on the origin, evolution and ultimate collision of an accreted island arc terrane: Journal of Geophysical Research, v. 94, p. 15,843–15,867.
Patton, W.W., Jr., and Box, S.E. 1989, Tectonic setting of the Yukon-Koyukuk basin and its borderlands, western Alaska: Journal of Geophysical Research, v. 94, n. B11, p.15,807–15,820.
Patton, W.W., Jr., Wilson, F.H., Labay, K.A., and Shew, N., 2009, Geologic map of the Yukon-Koyukuk basin, Alaska: U.S. Geological Survey Scientific Investigations Map 2909, scale 1:250,000, 26 p.