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Peninsular-Tlikakila

Basement domain in the Alaska

Geologic information

Region Alaska
Crust
Formation age: 180 Ma
Accretion
Type: Underthrusting
Age: 80 Ma
Notes Forearc fragment, Penninsula arc

Geographic extent

Bristol Bay, Kenai Peninsula, Lake and Peninsula, Matanuska-Susitna

Bibliographic references

Wallace, W.K., Hanks, C.L., and Rogers, J.F., 1989, The southern Kahiltna terrane—Implications for the tectonic evolution of southwestern Alaska: Geological Society of America Bulletin, v. 101, p. 1389–1407.Amato, J.M., Bogar, M.J., Gehrels, G.E., Farmer, G.L., and McIntosh, W.C., 2007, The Tlikakila complex in southern Alaska—A suprasubduction-zone ophiolite between the Wrangellia Composite terrane and North America, in Ridgway, K.D., Trop, J.M., Glen, J.M.G., and O’Neill, J.M., eds., Tectonic growth of a collisional continental margin—Crustal evolution of southern Alaska: Geological Society of America Special Paper 431, p. 227–252.