Roboports automatically place concrete within their reach.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Related to roboports and logistic robots.
This is on latest Factorio experimental, concreep placed refined concrete under iron ore and in the process completely deleted the iron ore.
Turns out any placed ground deletes ores, manual or concreep placed. Hmm.
You must be playing with Space Exploration. This is happening on SE's side.
Yep, correct. Disregard then.