Geological Processes Without Internal Heat?

Suppose you have a planet large enough to support life, with water and air all that, but old enough that it has exhausted its internal heat supply, the core is frozen solid, and there is little to no volcanic or plate tectonic activity.

What sorts of geological / tectonic processes would still occur on such a world, in a steady state (i.e., after all of the mountains formed by volcanoes or crumpling plates have worn away), powered solely by solar energy? Could, e.g., wind sculpting or dissolution and re-deposition of chemicals in the seabed produce a landscape that continues to evolve significantly over time?

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Geological Processes Without Internal Heat?

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