No It is considered a continental plate although it does cover some ocean
When a trench or volcano comes.
An oceanic plate is a tectonic plate mainly underneath the ocean, and a continental plate is a tectonic plate mainly underneath a continent,A tectonic plate is a giant slab of rock which makes up the...
The denser plate (which is usually the older and so cooler plate) will subduct under the younger less dense plate.
In a head-on collision, the oceanic plate subducts into the mantle.