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continental arc
Mountain building (orogenesis) normally occurs at convergent plate boundaries where plates are moving towards each other. However at divergent boundaries there is a possibility for the formation of horst and graben structures where the tensile stresses cause down thrown blocks of crust to occur bordered by up thrown blocks of crust (horst) which may appear to be mountains.
Convergent boundaries can form between two oceanic plates, between one oceanic plate and one continental plate, or between two continental plates.
When two continental plates collide or a continental plate collides with an oceanic plate.
Collisions of plates
volcanic mountains
When two continental plates converge, it results in formation of high mountains such as the Himalayan mountain.
continental arc
The categories are a continental and a continental plate colliding, continental and oceanic plates colliding, and oceanic and oceanic plates colliding. The two continental plates form mountains. The continental and oceanic plated colliding cause subduction zones and volcanoes. Oceanic and oceanic plates colliding form a trench.
At plate boundaries.
Mountain building (orogenesis) normally occurs at convergent plate boundaries where plates are moving towards each other. However at divergent boundaries there is a possibility for the formation of horst and graben structures where the tensile stresses cause down thrown blocks of crust to occur bordered by up thrown blocks of crust (horst) which may appear to be mountains.
Divergent Boundaries happen when two plates (oceanic or contental) begin to diverge, or move apart. Convergent Boundaries occur when two plates (again, oceanic or contential) begin to converge or move apart
Subduction (where one plate is forced beneath another less dense plate - may occur at oceanic-oceanic and oceanic-continental boundaries), obduction (where oceanic plate is forced over a continental plate) and orogenesis where two continental plates collide and mountains are formed (e.g. the Himalayas).
Convergent boundaries can form between two oceanic plates, between one oceanic plate and one continental plate, or between two continental plates.
Ridges of buoyant oceanic crust form at diverging oceanic plate boundaries.
When two continental plates collide or a continental plate collides with an oceanic plate.
Collisions of plates