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An ocean plate is subducting if it is flowing under a less dense plate at a convergent plate boundary.
No. While only oceanic crust can subduct it is not always subducting. When two oceanic plates converge, only one of them subducts.
north american
Nazca
as the subducting plate skins into the mantle, friction between the mantle and lithosphere will oppose plate motion.
An ocean plate is subducting if it is flowing under a less dense plate at a convergent plate boundary.
Indonesia is close to the subducting zone of the Eruasian plate and the Indo-Australian plate.
Nazca
When the subducting plate reaches about 100 kilometers (60 miles) into the Earth's hot mantle, it triggers partial melting of the overlying plate and forms new magma. Some of the magma rises and erupts as volcanoes.
In this region, where the western subducting edge of the Pacific plate plunges beneath the Philippine plate, is found the most volcanically active convergent plate boundary on Earth.
The nazca plate
When one plate moves under the other plate
It is subducting.
No. While only oceanic crust can subduct it is not always subducting. When two oceanic plates converge, only one of them subducts.
When an oceanic plate subducts below another continental or oceanic plate, the cold, wet, dense rock and sediments slowly dive into the asthenosphere, where, due to the volume of water contained in the subducting plate, the melting point of the subducting plate is lower than the surrounding rock. Volcanoes may result from the rising of molten material created by the subduction.
north american
Convergent with the oceanic plate subducting under the continental plate.