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Difference between revisions of "Vein"

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{{Quality|Exceptional}}
 
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{{Quality|Exceptional}}
 
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==Veins and Clusters==
 
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<!-- TODO: need new revealed screenshot. In 2010, veins and small clusters are actually allowed to overlap large clusters, so there tends to be a LOT more ore and gems
 
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[[Image:Veins revealed.PNG|thumb|right|300px|(click to enlarge)<br />'''Veins and clusters, fully revealed.'''  Note this unusual [[copper]] (brown) '''vein''' has been folded over and reconnects with itself, and also overlaps one of the two [[hematite]] (red) veins. Also note the brown gems in the very top of the center hematite vein, and the various '''small clusters''' of [[gem]]s across the level.  The bottom quarter of a '''large cluster''' of [[alunite]] is at top right, with a small cluster of [[native aluminum]] (white ^'s) below it.  This area is well above average - some areas this size have nothing to offer but callouses and disappointment.<br />(''This view uses a 3rd party [[utility]], and is not easily achieved in an unmodified game. See smaller image, below, of this same map with a more typical view.'']]
 
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[[Image:Copper_strike.PNG|thumb|right|200px|(click to enlarge)<br />The '''same map''' as above, except with tiles visible from the same [[exploratory mining]] shafts and tunnels only.  This is what is more typically seen in gameplay, only the tiles visible from the exploratory mining itself.  A lot of work and surprises ahead!]] -->
 
  
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If a stone is not a [[layer]] stone, then it is found within a layer or another stone as a '''vein''' or a '''cluster'''.  Veins and clusters do not jump z-levels, except by coincidence - a vein or cluster is limited to one z-level, but that doesn't mean the same stone can't be found above or below as well if the conditions (the surrounding stone) are right. However, multi-Z-level veins and clusters are planned for a future release.
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[[File:vein_preview.png|right]]If a stone is not a [[layer]] stone, then it is found within a layer or another stone as a '''vein''' or a '''cluster'''.  Veins and clusters do not jump z-levels, except by coincidence - a vein or cluster is limited to one z-level, but that doesn't mean the same stone can't be found above or below as well if the conditions (the surrounding stone) are right. However, multi-Z-level veins and clusters are planned for a future release.
  
 
Non-layer stone formations occur only in one of these four patterns:
 
Non-layer stone formations occur only in one of these four patterns:
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SOME REDUNDANT INFORMATION IS CRITICAL TO THAT ARTICLE (but not all)-->
 
SOME REDUNDANT INFORMATION IS CRITICAL TO THAT ARTICLE (but not all)-->
  
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:* '''Large cluster''' - An oval that occupies nearly half of a 48x48 [[Region|block]], area-wise, and completely contained within the boundaries of that block, which tends to center them. These huge ovals consistently measure near 20 x 40 tiles, and average perhaps 750 stones each.  Only one appears per block, and while veins and small clusters can be found in some few stone types, large clusters typically do not consist of useful or valuable stones ([[magnetite]] being a notable exception).
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:* '''Large cluster''' - An oval that occupies nearly half of a 48×48 block, area-wise, and completely contained within the boundaries of that block, which tends to center them. These huge ovals consistently measure near 20×40 tiles, and average perhaps 750 stones each.  Only one appears per block, and while veins and small clusters can be found in some few stone types, large clusters typically do not consist of useful or valuable stones ([[magnetite]] being a notable exception).
 
::Even if a block contains a large cluster, it will likely '''also''' contain numerous other independent veins or small clusters, even within the large cluster itself.
 
::Even if a block contains a large cluster, it will likely '''also''' contain numerous other independent veins or small clusters, even within the large cluster itself.
 
:* '''Vein''' - A sinuous line of the material crosses part of the block.  These vary from 1-4 tiles wide within a single vein and average about 100 stones each, but veins with over 200 stones have been reported*.  When a vein ends, it does not start again unless it was broken by another vein, cluster or erosion (see below).
 
:* '''Vein''' - A sinuous line of the material crosses part of the block.  These vary from 1-4 tiles wide within a single vein and average about 100 stones each, but veins with over 200 stones have been reported*.  When a vein ends, it does not start again unless it was broken by another vein, cluster or erosion (see below).
 
::''(* It's ~possible~ that these are 2 identical veins lined up end-to-end, but it's unclear if there is an upper limit as to how big a single vein can be.)''
 
::''(* It's ~possible~ that these are 2 identical veins lined up end-to-end, but it's unclear if there is an upper limit as to how big a single vein can be.)''
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:* '''Small cluster''' - A sprinkle of 1 to 9 adjacent tiles.  Multiple small clusters of different materials may be in the same block.  These average 4-5 adjacent stones each and do not span more than three tiles in each direction.  (That is, all tiles are enclosed in a 3x3 square area.)
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:* '''Small cluster''' - A sprinkle of 1 to 9 adjacent tiles.  Multiple small clusters of different materials may be in the same block.  These average 4-5 adjacent stones each and do not span more than three tiles in each direction.  (That is, all tiles are enclosed in a 3×3 square area.)
 
:* '''Single Gem''' - [[Gem#Rare|Rare gems]] show up only as a single example within a small cluster of similar [[Gem#Precious|precious gems]]; for example, a star ruby will only be found within a cluster of rubies, and a clear diamond will only appear in a cluster of faint yellow diamonds, etc.  ''(Since "small clusters" occasionally have only 1 gem in them, it's theoretically possible that a rare gem could be found alone - this would, indeed, be rare.)''
 
:* '''Single Gem''' - [[Gem#Rare|Rare gems]] show up only as a single example within a small cluster of similar [[Gem#Precious|precious gems]]; for example, a star ruby will only be found within a cluster of rubies, and a clear diamond will only appear in a cluster of faint yellow diamonds, etc.  ''(Since "small clusters" occasionally have only 1 gem in them, it's theoretically possible that a rare gem could be found alone - this would, indeed, be rare.)''
  
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Two separate veins (of the same or different stone/ore) can be found "doubled", two next to each other, or folded back on themselves.  Unrelated veins and clusters can also intersect or overlap with each other - only one type of stone/ore/gem will be found in any one tile, however.
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Two independent veins (of the same or different stone/ore) can sometimes be found "doubled", next to each other, or folded back on themselves.  Unrelated veins and clusters can also intersect or overlap with each other - only one type of stone/ore/gem will be found in any one tile, however.
  
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[[Image:Tetrahedrite vein.png|thumb|center|464px|A completely excavated vein of tetrahedrite in a gabbro layer.]] The image above seems to be two different veins (most probably two different veins, maybe three) of [[tetrahedrite]] in a [[gabbro]] layer. You can also see some [[claro opal]] clusters.
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<gallery widths=200px heights=300px>
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Image:Large_clusters.png|Large clusters of [[olivine]], visualised using [[Utility:DFHack|DFHack]].
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Image:Veins.png|Multiple veins of [[hematite]], [[cobaltite]] and [[galena]], visualised using [[Utility:DFHack|DFHack]].
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</gallery>
  
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Note that erosion (during world-gen, pre-[[embark]]) and underground [[cavern]]s may reduce exposed veins and clusters to a fraction of their original starting size, and/or cut through them, [[Revealed tile|exposing]] only the remnants, or two parts of a single vein in two nearby areas on the same [[z-level]].
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Note also that erosion (pre-[[embark]], during world-gen), rivers and underground [[cavern]]s may reduce exposed veins and clusters to a fraction of their original starting size, and/or cut through them, [[Revealed tile|exposing]] only the remnants, or two parts of a single vein in two nearby areas on the same [[z-level]].
  
 
[[Image:Eroded vein.PNG|thumb|center|400px|A '''single vein''' of hematite has been exposed on a hillside on the surface, cut and heavily reduced by erosion.  The final count was ''far'' below average, not much more than twice what is visible.]]
 
[[Image:Eroded vein.PNG|thumb|center|400px|A '''single vein''' of hematite has been exposed on a hillside on the surface, cut and heavily reduced by erosion.  The final count was ''far'' below average, not much more than twice what is visible.]]
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:* And, for newer players, [[The Non-Dwarf's Guide to Rock]]
 
:* And, for newer players, [[The Non-Dwarf's Guide to Rock]]
  
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[[Category:FAQ - Mining]]
 
 
{{Category|World}}
 
{{Category|World}}
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[[ru:Vein]]

Latest revision as of 01:09, 30 June 2024

xTATTEREDx  · +FINE+  · *SUPERIOR*  · ≡EXCEPTIONAL≡  · ☼MASTERWORK☼
v50.14 · v0.47.05
This article is about the current version of DF.
Note that some content may still need to be updated.
Vein preview.png

If a stone is not a layer stone, then it is found within a layer or another stone as a vein or a cluster. Veins and clusters do not jump z-levels, except by coincidence - a vein or cluster is limited to one z-level, but that doesn't mean the same stone can't be found above or below as well if the conditions (the surrounding stone) are right. However, multi-Z-level veins and clusters are planned for a future release.

Non-layer stone formations occur only in one of these four patterns:

  • Large cluster - An oval that occupies nearly half of a 48×48 block, area-wise, and completely contained within the boundaries of that block, which tends to center them. These huge ovals consistently measure near 20×40 tiles, and average perhaps 750 stones each. Only one appears per block, and while veins and small clusters can be found in some few stone types, large clusters typically do not consist of useful or valuable stones (magnetite being a notable exception).
Even if a block contains a large cluster, it will likely also contain numerous other independent veins or small clusters, even within the large cluster itself.
  • Vein - A sinuous line of the material crosses part of the block. These vary from 1-4 tiles wide within a single vein and average about 100 stones each, but veins with over 200 stones have been reported*. When a vein ends, it does not start again unless it was broken by another vein, cluster or erosion (see below).
(* It's ~possible~ that these are 2 identical veins lined up end-to-end, but it's unclear if there is an upper limit as to how big a single vein can be.)
  • Small cluster - A sprinkle of 1 to 9 adjacent tiles. Multiple small clusters of different materials may be in the same block. These average 4-5 adjacent stones each and do not span more than three tiles in each direction. (That is, all tiles are enclosed in a 3×3 square area.)
  • Single Gem - Rare gems show up only as a single example within a small cluster of similar precious gems; for example, a star ruby will only be found within a cluster of rubies, and a clear diamond will only appear in a cluster of faint yellow diamonds, etc. (Since "small clusters" occasionally have only 1 gem in them, it's theoretically possible that a rare gem could be found alone - this would, indeed, be rare.)

Two independent veins (of the same or different stone/ore) can sometimes be found "doubled", next to each other, or folded back on themselves. Unrelated veins and clusters can also intersect or overlap with each other - only one type of stone/ore/gem will be found in any one tile, however.

Note also that erosion (pre-embark, during world-gen), rivers and underground caverns may reduce exposed veins and clusters to a fraction of their original starting size, and/or cut through them, exposing only the remnants, or two parts of a single vein in two nearby areas on the same z-level.

A single vein of hematite has been exposed on a hillside on the surface, cut and heavily reduced by erosion. The final count was far below average, not much more than twice what is visible.

It is common to find certain gemstones embedded only in certain veins or large clusters. For instance, to find rubies and sapphires, explore bauxite clusters; for diamonds, one should follow any kimberlite veins they find, which in turn are found only in gabbro layers. Knowing what stone (or ore) contains what veins and clusters can be useful in exploratory mining and to understand the information given to you before you embark on a new game, and complete information for each can be found on the wiki page for that stone/ore/gem.

Raw adamantine is neither a typical stone nor metal ore, and deposits of raw adamantine do not follow any of the normal patterns.

See also[edit]

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