Orogen

Orogen is a hands-on plate tectonics sandbox. Watch mountains rise, trenches open, volcanoes form and faults slip, one process at a time. Pick a boundary and a scenario, then press play. A cross-section of the Earth shows what happens as plates converge, diverge or slide past each other. Drag the time slider to move backward and forward through millions of years. 6 SCENARIOS Ocean-Continent: an ocean plate sinks beneath a continent, forming a trench, a volcanic arc and a mountain belt. Ocean-Ocean: a chain of volcanic islands grows above a sinking plate. Continent-Continent: two continents collide and raise a mountain range. Continental rift: a continent stretches and splits as a new ocean opens. Mid-ocean ridge: new sea floor forms and spreads. Transform fault: two plates lock, build strain and slip in an earthquake. Every stage has a short, plain explanation on screen, and a narrator reads it aloud. You can mute the narrator at any time. Labels point out the plates, the mantle, trenches, magma and mountain belts as they appear. On the Mac, keyboard shortcuts cover play and pause, reset, boundary and scenario selection, and narration. Orogen is a rule-based teaching model, not a physical simulation. Depths, speeds and timing are simplified to show how each process works. A one-time purchase. No subscriptions, no accounts, no ads and no tracking. Orogen works entirely on your device with no internet connection. Made for iPhone, iPad and Mac by Korerium.