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1. Oceanic trenches. 2. Volcanic islands. 3. Volcanic mountains. and 4. Volcanic arcs.
Convergent Boundary meaning COLLISION! Oceanic-Oceanic which formed volcanic islands!
Oceanice oceanic has a trench, which is usually the deepest part of the ocean. It also has a volcanic island. That is how Islands are found in the center of oceans. oceanic convergent has similar features but do not have islands but instead volcanic arc on the continents.
A volcanic island is the top part of an oceanic volcano which is above the water. An example of volcanic islands is Stromboli, Italy. Another example is the big island of Hawaii.
A series of volcanic islands formed by an older oceanic plate subducting under a newer oceanic plate.
Subduction zones, trenches and volcanic islands: the boundary that is oceanic. Trenches and volcanic islands: an oceanic-continental boundary. Folded mountain ranges: a continental and continental collision.
A convergent boundry, when an oceanic plate and a continental plate collide.
Rifts Mid-oceanic ridges Volcanic islands
A benefit that I can see is that islands known as "oceanic islands". These islands are volcanic islands because they form as a result of a volcanic activity. Research the term oceanic island or volcanic island for more details. EDIT: To build on this, you asked about benefits. I said that a benefit is the formation of a new island. Why is this a benefit? Well, new islands mean more land. The island may become inhabitable by humans and/or animals.
at an oceanic to continental convergent boundary trenches and volcanic mountains can form. at an oceanic to oceanic convergent boundary trenches and volcanic islands can form. at a continental to continental convergent boundary fold mountains can form
They form volcanic mountains by heating magma that breaks through the crust. On the oceanic plates, these crustal hot spots can form chains of volcanic islands such as the Hawaiian Islands.
Hawaii is a well-known example of a volcanic island formed by hot spots in the Earth's mantle creating a chain of volcanic islands over millions of years.