Abandoned mineshaft

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Abandoned mineshaft
Minecraft Mineshaft.png
Biome

Any

Consists of
Can generate
post-generation

No

First appearances

See history

Abandoned mineshafts are generated structures that generate in the Overworld.

Generation[edit | edit source]

Abandoned mineshafts generate naturally in the Overworld, they are usually found underground but some can be found in the ocean. They are generated before chunk features such as ores. As with other features, multiple abandoned mineshafts can generate near each other and intersect, producing larger complexes. They can also intersect with other cave systems. Corridors will generate a floor of wooden planks if they cross over empty space.

They can also spawn on the surface in mesa biomes.[Pocket and Computer editions] These are composed of dark oak planks and fences, rather than oak. Cave spider spawners and various wooden pieces will not generate if above ground (i.e. the sky light where they generate is 8 or more), and generated railways will be less complete above ground.

Structure[edit | edit source]

An abandoned mineshaft with a minecart with chest.
The dirt room found in abandoned mineshafts
A mineshaft spawned on superflat using the customize feature

Abandoned mineshafts consist of:

  • A starting point - a large room with a flat dirt floor, an arched ceiling and up to four exits (one in each direction, although, sometimes it generates in a way for up to five entrances.)
  • Corridors - 3×3 block corridors featuring supports made from oak fences and wood planks (sometimes complementary with torches), broken rails, minecarts with chests (containing resources) and cave spider spawners surrounded by cobwebs.
  • Crossings - intersections with wooden pillars, sometimes two floors tall.
  • Staircases - diagonal sections of tunnel.

Loot[edit | edit source]

See also: Chest loot

Each mineshaft chest contains 3 groups of 1, 2–4, and 3 item stacks, with the following distribution:

Stack Size Weight # Items Chance # Chests
2–4× 2–4×

Rails
4–8 2050 7.200 78.4% 1.3

Torch
1–16 1550 7.650 65.7% 1.5

Bread
1–3 1583 1.084 45.0% 2.2

Name Tag
1 3071 0.423 42.3% 2.4

Coal
3–8 1083 1.988 32.0% 3.1

Beetroot Seeds
2–4 1083 1.084 32.0% 3.1

Melon Seeds
2–4 1083 1.084 32.0% 3.1

Pumpkin Seeds
2–4 1083 1.084 32.0% 3.1

Iron Ingot
1–5 1083 1.084 32.0% 3.1

Golden Apple (Normal)
1 2071 0.282 28.2% 3.5

Activator Rails
1–4 550 0.750 27.1% 3.7

Detector Rails
1–4 550 0.750 27.1% 3.7

Powered Rails
1–4 550 0.750 27.1% 3.7

Lapis Lazuli
4–9 583 1.175 17.0% 5.9

Redstone
4–9 583 1.175 17.0% 5.9

Gold Ingot
1–3 583 0.361 17.0% 5.9

Enchanted Book
[note 1]
1 1071 0.141 14.1% 7.1

Diamond
1–2 383 0.163 10.5% 9.6

Nothing
[note 2]
1 571 0.070 7.0% 14.2

Iron Pickaxe
1 571 0.070 7.0% 14.2

Golden Apple (Enchanted)
1 171 0.014 1.4% 71.0
  1. All enchantments are equally probable, and any level of the enchantment is equally probable.
  2. 'Nothing' does not refer to the chance of an empty chest. Instead, it refers to the chance that the random loot generator will not add any loot on a single roll.

Video[edit | edit source]

History[edit | edit source]

Beta
1.8 1.8-pre1 Added abandoned mineshafts.
1.8.1 Support beams in mineshafts are converted from wood planks to oak fences.
Official release
1.2.1 12w05a Added wooden bridges under floating sections of mineshafts.
It is no longer possible to place and ride minecarts on floating rails without the use of mods.
1.4.2 Chests can no longer generate right next to each other, meaning naturally-occurring large chests do not spawn any more.
Chests can no longer be found floating in air.
1.4.6 Added enchanted books in abandoned mineshaft chests.
1.5 13w02a Changed abandoned mineshaft chests to minecarts with chests on rails.
1.5.2 Minecarts with chests may be generated on cobwebs.
1.9 15w44a Added torches, beetroot seeds, enchanted and normal golden apples, and activator, detector and powered rails to minecart chests.
Removed saddles and iron horse armor from chests.
Decreased the average yields of iron and gold ingots, melon and pumpkin seeds, diamonds, lapis lazuli, redstone and bread.
Increased the average yield of iron pickaxes, and substantially increased the average yield of rails and enchanted books.
1.10 16w20a Abandoned mineshafts can now generate on the surface in mesa biomes, using dark oak planks and fences rather than oak.
Pocket Edition Alpha
0.9.0 build 1 Added abandoned mineshafts.
Cave spider spawners replaced with regular spiders until potion effects are added.
0.10.0 September 9, 2014 Tommaso Checchi tweeted a picture of mineshafts generated at surface level within a mesa, in a mesa biome.
build 1 Abandoned mineshafts can now generate on the surface in mesa biomes.
Above-ground mineshafts now use dark oak planks and fences rather than oak.
0.11.0 build 12 Abandoned mineshafts now generate with cave spider spawners.
0.14.0 build 1 Abandoned mineshafts will now generate minecarts with chests.
Console Edition
TU5 CU1 1.0 Patch 1 Added abandoned mineshafts.
TU12 Added wooden bridges under floating sections of mineshafts.

Issues[edit | edit source]

Issues relating to “Abandoned mineshaft” are maintained on the issue tracker. Report issues there.

Trivia[edit | edit source]

  • At bedrock layer, abandoned mineshafts will cut through the top bedrock layer(s).[Is this an issue now?]
  • Mineshafts can generate on top of other mineshafts. If you see two different ones intersecting each other anomalously, they are two different shafts, even if they somehow meet up perfectly elsewhere.
  • Mineshafts are less common near the origin of the world (0,0).[Verify]
  • Mushrooms can be found at the bottom of mineshafts.

Publicity[edit | edit source]

  • In LEGO Minecraft Micro World- The Village, an abandoned mineshaft is beneath the village.[1]

Gallery[edit | edit source]

Pocket Edition[edit | edit source]

Odd generation[edit | edit source]

References[edit | edit source]

  1. http://shop.lego.com/en-US/Micro-World-The-Village-21105