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Difference between revisions of "Alluvial layer"

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Several minerals, ores, and gems are specified to occur at least in part within '''alluvial layers'''. Alluvial stone is loose and unconsolidated stone that has been eroded away, smoothed down by water flow, and then redeposited in a non-marine setting. The presence of [[gem|jade]] is a giveaway that a particular [[stone layer]] is alluvial as the gem only appears in such environs, but otherwise identifying an alluvial layer as such is very difficult. Alluvial layers are always located near the surface, usually in [[sedimentary]] stone.
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[[File:AlluvialPlain.JPG|thumb|250px|right|An alluvial layer of land in [https://en.wikipedia.org/wiki/Red_Rock_Canyon_State_Park_(California) Canyon State Park].]]Several minerals, ores, and gems are specified to occur at least in part within '''alluvial layers'''. Alluvial stone is loose and unconsolidated stone that has been eroded away, smoothed down by water flow, and then redeposited in a non-marine setting. In Dwarf Fortress, all [[sedimentary]] layers are capable of containing alluvial deposits.
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Since version 0.31.19 and later, some environments have been found to contain alluvial-only minerals.
 
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Whether or not a particular [[stone]], [[gem]], or [[ore]] appears in the alluvial layer is controlled by the <tt>[ENVIRONMENT:ALLUVIAL:...]</tt> tag in its [[raw file]]s. Alluvial environments can contain [[cluster]]s of:
 
Whether or not a particular [[stone]], [[gem]], or [[ore]] appears in the alluvial layer is controlled by the <tt>[ENVIRONMENT:ALLUVIAL:...]</tt> tag in its [[raw file]]s. Alluvial environments can contain [[cluster]]s of:
 
:*[[native gold]]
 
:*[[native gold]]
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:*[[cassiterite]]
 
:*[[cassiterite]]
 
:*jade [[gem]]s ([[blue jade|blue]], [[lavender jade|lavender]], [[pink jade|pink]], [[white jade|white]], and [[green jade|green]])
 
:*jade [[gem]]s ([[blue jade|blue]], [[lavender jade|lavender]], [[pink jade|pink]], [[white jade|white]], and [[green jade|green]])
 
 
  
 
{{Category|Stone Layers}}
 
{{Category|Stone Layers}}
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[[ru:Alluvial layer]]

Latest revision as of 22:53, 17 June 2024

This article is about the current version of DF.
Note that some content may still need to be updated.

An alluvial layer of land in Canyon State Park.

Several minerals, ores, and gems are specified to occur at least in part within alluvial layers. Alluvial stone is loose and unconsolidated stone that has been eroded away, smoothed down by water flow, and then redeposited in a non-marine setting. In Dwarf Fortress, all sedimentary layers are capable of containing alluvial deposits.

Whether or not a particular stone, gem, or ore appears in the alluvial layer is controlled by the [ENVIRONMENT:ALLUVIAL:...] tag in its raw files. Alluvial environments can contain clusters of: