divergent boundary between two oceanic plates divergent boundary between an oceanic plate and a continental plate convergent boundary between an oceanic plate and a continental plate convergent boundary between two continental plates
At which type of margin does mountain building produce mountains composed entirely of preexisting crust material?

Options:
- divergent boundary between two oceanic plates
- divergent boundary between an oceanic plate and a continental plate
- convergent boundary between an oceanic plate and a continental plate
- convergent boundary between two continental plates

convergent boundary between two continental plates