Mark ore with the Peppermint tool and construction bots will start mining it. Or enable Nougat Mining mode and it'll happen automatically!
Mods introducing new content into the game.
New Ores and resources as well as machines.
Related to roboports and logistic robots.
Is this really supposed to produce millions of dropped ore items? My whole base is flooded and my UPS are dangerously low because it keeps spawning more and more.
I've got a savegame stashed if this is something you want to investigate.
If bots are busy, items shouldn't be spawning. Is there anything that may be preventing your bots from picking up the items?