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Difference between revisions of "40d:Igneous extrusive layer"

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m (& galena, lose capitalization)
m (format)
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'''Igneous extrusive stone layers''' are formed from [[andesite]], [[basalt]], [[felsite]], [[obsidian]], and [[rhyolite]].  Of these 5, all but obsidian are absolutely identical within the game (distinguished only by their names and their un-mined presentation on the map.)
 
'''Igneous extrusive stone layers''' are formed from [[andesite]], [[basalt]], [[felsite]], [[obsidian]], and [[rhyolite]].  Of these 5, all but obsidian are absolutely identical within the game (distinguished only by their names and their un-mined presentation on the map.)
  
They can contain [[copper]] ore, [[galena]] (for [[lead]] & [[silver]]), [[gold]], [[hematite]] (for [[iron]]), [[native aluminum]] and/or [[tetrahedrite]] (for copper and possibly silver), as well as a varying spectrum of [[gem]]s.
+
They can contain any of...
 +
:*[[copper]] ore
 +
:*[[galena]] (for [[lead]] & [[silver]])
 +
:* [[gold]]
 +
:* [[hematite]] (for [[iron]])
 +
:* [[native aluminum]]  
 +
:* [[tetrahedrite]] (for copper and possibly silver),
 +
...as well as a varying spectrum of [[gem]]s.
  
 
Their name appears dark gray on the embark menu. They also indicate a good chance of [[magma]] being present nearby in some form or another.
 
Their name appears dark gray on the embark menu. They also indicate a good chance of [[magma]] being present nearby in some form or another.

Revision as of 20:13, 30 September 2009

Igneous extrusive stone layers are formed from andesite, basalt, felsite, obsidian, and rhyolite. Of these 5, all but obsidian are absolutely identical within the game (distinguished only by their names and their un-mined presentation on the map.)

They can contain any of...

...as well as a varying spectrum of gems.

Their name appears dark gray on the embark menu. They also indicate a good chance of magma being present nearby in some form or another.


(In real world geology, igneous extrusive stone is formed by lava solidification on the surface, as opposed to igneous intrusive stone which forms below the surface. This is not true for Dwarf Fortress.)