Final answer:
A mid-ocean ridge is not associated with a convergent boundary but is a feature of divergent plate boundaries, where new crust is created as plates pull apart.
Step-by-step explanation:
The feature not associated with a convergent boundary is a. mid-ocean ridge. A mid-ocean ridge is a feature typically found at divergent plate boundaries, where new oceanic crust is formed as tectonic plates pull apart. A trench, on the other hand, is a long, narrow depression in the ocean floor which is generally associated with convergent boundaries where one plate is subducted under another.
An allochthonous terrain is a large block of crust that has been moved from its original position and accreted onto a different plate at a convergent margin. A destructive margin is another term for a convergent boundary where crust is being consumed through subduction, either beneath continental crust or oceanic crust.