Pankaj Sethi on Twitter: "33/60 If both colliding plates are Oceanic Plates then the denser of the two (typically the older Plate), slips (subducts) under the newer, lighter Plate. This forms trenches.
Which one is subducted when two oceanic plates are colliding, and why does that happen? - Quora
Collision Plate Boundary - Lessons - Blendspace
What are the different types of plate tectonic boundaries?: Exploration Facts: NOAA Office of Ocean Exploration and Research
When Plates Collide - YouTube
Convergent Plate Boundaries - Geology (U.S. National Park Service)