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Editing v0.34:Stone layers
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There are four types of '''stone layers''' in Dwarf Fortress, very much based on real life geology. [[Stone]] layers are roughly homogeneous layers of rock that are composed of the same kind of stone, and usually contain different ores. Each stone layer has its distinct markers and qualities; sometimes a clear dividing line can be drawn between two [[biome]]s from the stone layers underneath, sometimes not. Digging deeper or digging into another local biome will reveal differences between contents and a progression from sedimentary down to igneous. | There are four types of '''stone layers''' in Dwarf Fortress, very much based on real life geology. [[Stone]] layers are roughly homogeneous layers of rock that are composed of the same kind of stone, and usually contain different ores. Each stone layer has its distinct markers and qualities; sometimes a clear dividing line can be drawn between two [[biome]]s from the stone layers underneath, sometimes not. Digging deeper or digging into another local biome will reveal differences between contents and a progression from sedimentary down to igneous. | ||
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{{main|Igneous extrusive layer}} | {{main|Igneous extrusive layer}} | ||
− | In certain regions | + | In certain regions igneous extrusive layers replace sedimentary layers as the top-most layer of stone. Besides being made of different rocks, they are generally very similar to sedimentary layers, with the exception being that they often indicate the presence of [[magma]] above the [[magma sea]] itself. This is always the top-most layer near [[volcano]]es; the biggest stumbling block is that its presence means that the biome ''very'' rarely contains any flux. |
== Metamorphic == | == Metamorphic == | ||
{{main|Metamorphic layer}} | {{main|Metamorphic layer}} | ||
− | + | Contains a small variety of [[vein]] ores, as well as [[marble]], the one non-sedimentary flux. Metamorphic layers generally contain moderately valuable gems, and if the sedimentary layer (or and especially igneous extrusive layer) above contains no flux stone, it is a useful early target for exploration in the hopes of finding flux. It does lack weapon-quality [[ore]]s (containing only [[copper]] and [[silver]]). | |
== Igneous intrusive == | == Igneous intrusive == | ||
{{main|Igneous intrusive layer}} | {{main|Igneous intrusive layer}} | ||
− | + | This is the deepest and often widest level, and leads directly into the [[magma]] sea. Gems here are generally the most valuable, on average. The most valuable of them all, colored diamonds, are found within [[faint yellow diamond]]s within [[kimberlite]] within [[gabbro]] layers. | |
{{Category|Stone Layers|*}} | {{Category|Stone Layers|*}} |