Thank you! Not very well:

https://jgibbs.dev/assets/jezero_steepest.png

https://jgibbs.dev/assets/jezero_delta.png

Since Mars doesn't have the water-based erosion in areas it was trained on, it loses a lot of the sharper cliffs and adds gullies in places that would be smooth sand on Mars. It would probably be pretty easy to train a new model though that could handle it.