High Mountains in High Gravity

What would cause/allow a planet with very high gravity to have tall, sharp mountains?

Mountain height is generally capped off by gravity, erosion, and the mountains composition. On a higher gravity world, mountains likely wouldn't be able to get very tall or jagged, but I love the idea of a planet having harsh, steep terrain AND gravity high enough to make travel even more hellish for nonnative explorers.

Ideally, I'd have the gravity be 1.5-3 times that of earth.

For visual appeal, I'd also prefer the rocks making up the mountains and crust to be primarily black or dark grey in color.

posted over 4 years ago

Aezyc‭

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