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v0.31:Vein

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Revision as of 07:49, 6 May 2010 by 217.7.17.164 (talk)
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This article is about an older version of DF.

Template:Human

Veins and Clusters

If a stone is not a Template:L 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.

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

  • Large cluster - An oval that occupies nearly half of a 48x48 Template:L, 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 (Template:L 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 3x3 square area.)
  • Single Gem - Template:L show up only as a single example within a small cluster of similar Template:L; 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 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.

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

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 Template:L clusters; for Template:Ls, one should follow any Template:L veins they find, which in turn are found only in Template:L Template:Ls. Template:L can be useful in Template:L 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.

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

See also