Continental fragments and volcanic arcs borne along with the southern oceanic plate collided with both Russian and Alaskan elements of the volcanic-arc system in earliest Tertiary time (Worrall, 1991).
(volcanic arcs; borne; L:along with the southern oceanic plate) (the southern oceanic plate; collided; T:in earliest Tertiary time)
volcanic arcs the southern oceanic plate
borne collided
L:along with the southern oceanic plate
T:in earliest Tertiary time