Sorium Mine
From STNE Wiki
A Sorium Mine is a form of mine that can be used on Ice Planets and Ice Asteroids. It mines the good Sorium at a cheap rate compared to the substance's worth. On Ice Planets two can be constructed, on Ice asteroids, six can be constructed. The Sorium Mine consumes 6 energy a tick and requires 4 workers, it produces 1 Sorium a tick. It requires 15 Energy, 50 Plasteel and 40 Duranium to construct one mine.