Other terranes include Cambro-Ordovican igneous rocks that are interpreted to be the remains of an ancient volcanic arc (much like the present-day Aleutian Islands) that collided with and accreted onto the eastern edge of North America during a period of Appalachian mountain building.
(Other terranes; include; Cambro-Ordovican igneous rocks) (Cambro-Ordovican igneous rocks; are interpreted; to be the remains of an ancient volcanic arc) (Cambro-Ordovican igneous rocks; to be; the remains of an ancient volcanic arc) (the present-day Aleutian Islands; collided; ) (the present-day Aleutian Islands; accreted; onto the eastern edge of North America; T:during a period of Appalachian mountain building)
Other terranes Cambro-Ordovican igneous rocks Cambro-Ordovican igneous rocks the present-day Aleutian Islands the present-day Aleutian Islands
include are interpreted to be collided accreted
Cambro-Ordovican igneous rocks
to be the remains of an ancient volcanic arc
the remains of an ancient volcanic arc
onto the eastern edge of North America T:during a period of Appalachian mountain building