Allows for you to mark ore fields for more in-depth extraction, at the cost of requiring additional processing.
Mods introducing new content into the game.
If you have a bug, go to my GitHub! For everything else, including suggestions, explanations, and other discussion, go to my forum thread.
GitHub:
https://github.com/ReikaKalseki/Reika_FactorioMods_Issues/issues?utf8=%E2%9C%93&q=