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v0.34:Magma pool
This article is about an older version of DF. |
Magma pools are a type of underground feature, essentially deep pits reaching into the magma sea and filled with the titular magma. They are basically pipes of magma extending up from the magma sea itself, identifiable by their obsidian walls (the regular magma sea is surrounded by warm stone). Magma pools can be just about any height; they might not even reach past the top layer of the magma sea, but can be up to a hundred and some z-levels high, reaching up about as far as the first cavern layer.
Extremely tall magma pools provide the second shallowest source of magma in the game, beat only by volcanoes (which reach the surface entirely). They are thus very rare, very desirable embark features, making a fuel-less metal industry much easier, as well as simplifying the pump stacks for applications in !!SCIENCE!!. Magma pools will very slowly refill if drained, and thus can occasionally be sloughed off when needed.