other ways to get dirt / new brick recipie

i think that there should be other ways of getting dirt without having to mine your floor or other ways of making brick maybe using another easily available resource

Like clay? That would have to mined too, though.

Late game I overproduce food to turn into compost>dirt and gas.
I have a huge mountain of saved up dirt.

oh ill try that but my world collapsed because i didnt have enough dirt