Conversion boundaries
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Volcanoes form at boundaries where tectonic plates converge, diverge, or slide past each other. This can lead to the buildup of molten rock beneath the Earth's surface, which eventually erupts through a vent to create a volcano.
The Ring of Fire is located along convergent plate boundaries, where tectonic plates are colliding. This results in volcanoes, earthquakes, and the formation of mountain ranges around the Pacific Ocean.
Volcanoes are not found at transform boundaries because these boundaries involve the sliding of tectonic plates past each other horizontally, without any significant vertical movement. This movement does not create the conditions necessary for magma to rise to the surface and form volcanoes.
Hotspot volcanoes form over a fixed hotspot in the mantle, resulting in a chain of volcanoes as the tectonic plate moves over it, like the Hawaiian Islands. Volcanoes at plate boundaries are formed by the interaction of tectonic plates, where one plate is forced under another (subduction) or plates move apart (divergence), creating volcanic activity along the boundary, like the Ring of Fire.
Three features along crustal plate boundaries are earthquakes, volcanoes, and mountain ranges. Earthquakes occur due to the movement of tectonic plates, volcanoes form at convergent boundaries where plates collide, and mountain ranges are often found at convergent boundaries where plates push against each other.
There are three main types of plate boundaries: divergent boundaries (plates move apart), convergent boundaries (plates collide), and transform boundaries (plates slide past each other). These boundaries can create various features such as mountain ranges, volcanoes, and earthquakes.