The Permian-Triassic orogenic event that occurred with the collision of an island arc with the western
margin of North America is called the:a.
Antler orogeny.
b. Cordilleran orogeny.
c. Sonoma orogeny.
d. Franciscan orogeny.
e. Western orogeny.
Question 2Weathering and erosion of the Acadian Highlands produced a clastic wedge known as the:a.
Queenston Delta.
b. Acadian Delta.
c. Catskill Delta.
d. Appalachian Delta.
e. Mississippi Delta.