Aleutian hills are those that type when 2 oceanic platescollide. The Appalachians developed when two continents collided.Andean-type mountains form when oceanic crust is subducted undercontinental crust. The north American Cordillera is an instance ofarc-continent collision, i m sorry is when island plateaus sign up with acontinent.
Wiki User∙ 11y ago
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