"Must be adjacent to usable stone"

[Soupfanatic]

I tried placing a quarry in every direction facing a pile of rocks. But still, it keeps saying "Must be adjacent to stone". Is this a bug?

[GreyBeard512]

It has to be the right color rock.

Quarries go with the light grey rocks and produce stone. It will autorotate to the correct direction. You can only place one or two quarries per rock, The game won't allow a third even if there is space. (You can place additiional quarries on additional light grey rocks if you have them.)

Mines go with the brown rocks and produce iron. They also autorotate and are also limited to two per rock.

The dark grey rocks do not produce anything.

[DerpyWerpy]

Yeah I'm having exact same issue. First game I played was fine. Now I started a new map and can't place any quarries. Quite annoying.

[Southwest Scoundrel]

Have a road within like one tile from them and put the quarry ON the rocks

[JustJinxed]

All my rocks are always surrounded by... unusable rock :P gaah, start over I guess :P