Basement domain in the Western Cordillera
Region | Western Cordillera |
---|---|
Crust |
Type: Oceanic arc
Formation age: 280-165 Ma
|
Accretion |
Type: Collisional
Age: 135 Ma
|
Notes | Basement to arc as old as 300 Ma in Klamath Mtns (Saleeby, 1982) |