Identify land features that occur at plate boundaries?

Question

SCIENCE. EARTH SCIENCE.

Answer 1

Rifts, ridges, mountain ranges, faults, volcanoes

Answer 2

Well, my answer is quite a bit shorter and simpler than Sonny's but here you go:

mountain ranges, ridges, faults, rift valleys, divergent margins, volcanoes.

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Answer 3

Geologists use many types of evidence to locate the boundaries between plates. Most of these indicators are signs of stress, which develop as the two plates interact. The clearest indicators are patterns in the locations of earthquakes and volcanoes. From examining a map of earthquake and volcanic activity, it is very apparent that these events do not occur randomly. Both tend to occur in linear belts which mark the plate boundaries. Each type of plate boundary has a somewhat different pattern of earthquakes and/or volcanoes. At converging plate boundaries, two situations are possible. First, both volcanoes and earthquakes form where one plate sinks under the other. This process, called subduction, takes place because one plate is denser than the other. The denser plate, which invariably has oceanic crust on its top, does the sinking. Earthquakes occur along this plate as it sinks and is pulled into the upper mantle. Second, only earthquakes occur when two plates collide (obduct), building a mountain range. This situation is common when two plates with continental crust on top converge. The density of continental crust is too low for it to subduct; it is like wood floating on water. Instead, the two plates have a head on collision - building a mountain range. The Himalaya Mountains in Asia formed this way, from a collision between the Indian and Asian Plates. At transform plate boundaries, the two plates slide by each other. This generates little volcanic activity (there is no "gap" between the plates) or mountain building. Earthquakes, however, are common. At diverging plate boundaries, earthquakes occurs as the plates pull away from each other. Volcanoes also form between the plates, as magma rises upward from the underlying mantle. We rarely see these volcanoes erupt, as most of them are on the ocean floor. Transform plate boundaries commonly have only earthquakes.