How large can a mountain range get?

Start:

• Normal planet, very similar to Earth. The main difference is that the continents are placed differently.
• Magic could play a role in the formation of mountains but I prefer a scientific explanation.

Process:

• The activity inside the planet makes surface plates move. At a specific place, two plates are colliding and this creates a large mountain range.
• It is a subduction zone of several thousand kilometers long.

Result:

This question already addressed the maximum height of a mountain. But what about the size of a mountain range? Given sufficient time and tectonic activity the rock will keep compressing and will form several parallel mountain ranges. How large could it get with peeks over 4000m?

posted over 9 years ago

Vincent‭

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