From playing the demo, you can clearly see when you have taken everything out of a chest when exploring. Will there be any way to dismantle them? The dismantling could give you back scrap metal.
#Destroy Chests
mortal pawn
icy seal
You can dismantle in build mode!
Just click on it 🙂
Unless you mean in the caves?
If so, then I'm afraid not, but you can use them to store things!
There are a lot around the world that will be useful places to store supplies, or to do quick mining runs and maximise your mining profits!