Mineral Resources
Online Spatial Data
Basement domains of the conterminous US and Alaska
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Peninsular-Iliamna
Basement domain in the Alaska
Geologic information
Region
Alaska
Crust
Type:
Oceanic arc
Formation age:
310 Ma
Accretion
Type:
Collisional
Age:
80 Ma
Notes
Peninsula arc
Geographic extent
Bristol Bay
,
Kenai Peninsula
,
Lake and Peninsula
,
Matanuska-Susitna
Bibliographic references
Reed, B.L., and Lanphere, M.A., 1973, The Alaska-Aleutian Range batholith—Geochronology, chemistry, and relation to Circum-Pacific plutonism: Geological Society of America Bulletin, v. 84, p. 2583–2610.
Detterman, R.L., Miller, J.W., Case, J.E., Wilson, F.H., and Yount, M.E., 1996, Stratigraphic framework of the Alaska peninsula: U.S. Geological Survey Bulletin 1969-A, 74 p.
Bacon, C.R., Vazquez, J.A., and Wooden, J.L., 2012, Peninsular terrane basement ages recorded by Paleozoic and Paleoproterozoic zircon in gabbro xenoliths and andesite from Redoubt volcano, Alaska: Geological Society of America Bulletin, v. 124, p. 24–34.