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Mineshaft
Mineshaft.pngBadlands mineshaft.png
Mineshaft with Chain.png
Biomes
Regular mineshaft
Any Overworld biome except for Badlands
Badlands mineshaft
Badlands
Consists of
Can generate in
existing chunks

No

A mineshaft is a generated structure found underground or underwater, having mazes of tunnels with cave spiders and ores exposed on the walls or floor regularly.

Generation[]

Mineshafts generate in any Overworld biome, usually underground or rarely in oceans. They are generated before chunk features such as ores. Multiple mineshafts can generate near each other, producing larger complexes. As mineshafts intersect with caves and canyons, corridors generate a bridge of planks suspended under chains over empty space.

Mineshafts often generate on the surface in badlands biomes. Badlands mineshafts are composed of dark oak planks and fences with railways more complete above ground. Since badlands biomes generate gold ore often and at higher altitudes, they are good places to easily find gold.

Structure[]

Main article: Mineshaft/Structure

A minecart with chest in a mineshaft.

The central dirt room of the mineshaft.

A mineshaft generating across a large cave.‌[upcoming: JE 1.18]

All mineshafts have:

  • Starting point: a parlor with a 10×10 dirt floor, an arched ceiling and one to four exits in each direction.‌[until JE 1.18][1]
  • Corridors: some 3×3 tunnels and junctions are supported by planks and fences. Some places are decorated with torches and cobwebs. On long corridors, these supports are placed four blocks away from each other while some have missing planks which may be filled up with cobwebs or blocks of stone jutting out from the top. The tunnels are connected by incomplete rail systems on the ground, on which minecarts with chests generate uncommonly. Cobwebs do not generate if they would not be connected to solid blocks, while corridors generate with log pillars, chains and fences for support if they are in mid-air.
  • Crossings: dual-floor, 5x5 intersections supported by wooden columns.
  • Staircases: diagonal tunnels, stair blocks are not used.
  • Abandoned passageways: accessory corridors with cobwebs concealing cave spider spawners.

Loot[]

See also: Chest loot

In Java Edition, each mineshaft chest contains items drawn from 3 pools, with the following distribution:

Item Stack Size [A] Weight [B] Chance [C] Avg.
per chest
[D]
Avg. # chests
to search
[E]
2–4× 2–4×
Rails 4–8205078.4%7.2001.3
Torch 1–16155065.7%7.6501.5
Name Tag 1307142.3%0.4232.4
Glow Berries 3–6159838.7%2.0662.6
Bread 1–3159838.7%0.9182.6
Golden Apple 1207128.2%0.2823.6
Coal 3–8109827.3%1.6843.7
Beetroot Seeds 2–4109827.3%0.9183.7
Melon Seeds 2–4109827.3%0.9183.7
Pumpkin Seeds 2–4109827.3%0.9183.7
Iron Ingot 1–5109827.3%0.9183.7
Activator Rail 1–455027.1%0.7503.7
Detector Rail 1–455027.1%0.7503.7
Powered Rail 1–455027.1%0.7503.7
Lapis Lazuli 4–959814.5%0.9956.9
Redstone Dust 4–959814.5%0.9956.9
Gold Ingot 1–359814.5%0.3066.9
Enchanted Book[F] 1107114.1%0.1417.1
Diamond 1–23988.9%0.13811.3
Nothing[G] 15717.0%0.07014.2
Iron Pickaxe 15717.0%0.07014.2
Enchanted Golden Apple 11711.4%0.01471.0

In Bedrock Edition, each mineshaft chest contains items drawn from 3 pools, with the following distribution:

Item Stack Size [A] Weight [B] Chance [C] Avg.
per chest
[D]
Avg. # chests
to search
[E]
2–4× 2–4×
Rails 4–8205078.4%7.2001.3
Torch 1–16155065.7%7.6501.5
Name Tag 1307142.3%0.4232.4
Glow Berries 3–6159838.7%2.0662.6
Bread 1–3159838.7%0.9182.6
Golden Apple 1207128.2%0.2823.6
Coal 3–8109827.3%1.6843.7
Beetroot Seeds 2–4109827.3%0.9183.7
Melon Seeds 2–4109827.3%0.9183.7
Pumpkin Seeds 2–4109827.3%0.9183.7
Iron Ingot 1–5109827.3%0.9183.7
Activator Rail 1–455027.1%0.7503.7
Detector Rail 1–455027.1%0.7503.7
Powered Rail 1–455027.1%0.7503.7
Lapis Lazuli 4–959814.5%0.9956.9
Redstone Dust 4–959814.5%0.9956.9
Gold Ingot 1–359814.5%0.3066.9
Enchanted Book[F] 1107114.1%0.1417.1
Diamond 1–23988.9%0.13811.3
Nothing[G] 15717.0%0.07014.2
Iron Pickaxe 15717.0%0.07014.2
Enchanted Golden Apple 11711.4%0.01471.0
  1. a b The size of stacks (or for unstackable items, number) of this item on any given roll.
  2. a b The weight of this item relative to other items in the pool.
  3. a b The odds of finding any of this item in a single chest.
  4. a b The number of items expected per chest, averaged over a large number of chests.
  5. a b The average number of chests the player should expect to search to find any of this item.
  6. a b All enchantments are equally probable, including treasure enchantments (except Soul Speed), and any level of the enchantment is equally probable.
  7. a b 'Nothing' does not refer to the chance of an empty chest. Instead, it refers to the chance that the random loot generator does not add any loot on a single roll.


History[]

Java Edition Beta
1.8Pre-releaseAdded mineshafts.
Pre-release 2 ;)Mineshafts are a lot less dense and do not stretch out as far as before.[2]
To counter this change they were made 212 times as common throughout the world.[3]
1.8.1Support beams in mineshafts are converted from oak planks to oak fences.
Java Edition
1.2.112w05aAdded wooden bridges under floating sections of mineshafts.
1.4.612w50aAdded enchanted books to mineshaft chests.
1.513w02aChanged mineshaft chests to minecarts with chests on rails.
1.6?Added iron horse armor and name tags to mineshaft chests.
1.7.213w36aMineshafts appear as often as in the future release of Java Edition 1.8-pre1 again,[4] but without any increase in density or size, which makes them 60% less common than before.
1.915w44aAdded torches, beetroot seeds, enchanted and normal golden apples, activator, detector and powered rails to minecart chests.
Removed saddles and iron horse armor from minecart chests.
Decreased the average yields of iron & 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.
1.1016w20aMineshafts can now generate on the surface in mesa biomes, using dark oak planks and fences rather than oak.
If directly exposed to the sky during generation, no wooden parts spawn at that exact location.
No longer generate floating in the air when using a low ground level in a superflat world.
1.1721w06aMineshaft pieces no longer generate if they were fully floating in the air.
Corridors now generate with wooden pillars for support if needed.
Floating cobwebs from open spaces no longer generate.
21w07aCorridors are now supported by chains above.
Wooden pillars are now made of oak logs instead of bark wood.
21w13aIncreased the max length of pillars and chains.
Glow berries now generate as loot in mineshaft chest minecarts.
Upcoming Java Edition
1.1821w37aThe starting room in mineshafts no longer generates with a dirt floor.[5][6]
21w41aMineshafts in badlands generate higher up.
Pocket Edition Alpha
v0.9.0build 1Added mineshafts.
Cave spider spawners are replaced with regular spiders until potion effects are added.
v0.10.0September 9, 2014Tommaso Checchi tweeted a picture of mineshafts generated at surface level within a badlands biome.
build 1Mineshafts can now generate on the surface in badlands biomes.
Above-ground mineshafts now use dark oak planks and fences rather than oak.
v0.11.0build 12Mineshafts now generate with cave spider spawners.
v0.13.0?Added enchanted books to mineshaft chests.
v0.14.0build 1Mineshafts now generate minecarts with chests.
v0.15.0build 1Name tags now can be found inside chest minecarts.
Bedrock Edition
1.2.0?Mineshafts are now more common.
1.11.0beta 1.11.0.1Mineshafts are now less dense.
1.17.0beta 1.16.230.54Glow Berries now generate as loot in mineshaft chest minecarts.
beta 1.16.230.56Mineshafts now fit into large caves.
Mineshaft corridor is now attached to the ceiling via chains or to the floor via wood columns when missing support platform.
beta 1.17.0.50Cobwebs no longer generate suspended in the air in mineshaft.
Legacy Console Edition
TU5CU1 1.0 Patch 11.0.1Added mineshafts.
TU12Added wooden bridges under floating sections of mineshafts.
TU43CU33 1.36 Patch 13Mineshafts can now generate on the surface in mesa biomes, using dark oak planks and fences rather than oak.
New Nintendo 3DS Edition
0.1.0Added mineshafts.

Issues[]

Issues relating to "Mineshaft" are maintained on the bug tracker. Report issues there.

Trivia[]

  • When generated, mineshafts cut through the top bedrock layer(s), if they happen to generate at the bedrock layers.
  • The dirt room of a mineshaft never generates in the same chunk as (0, 0) in any Minecraft world.‌[Java Edition only]
  • Any "chest" in a mineshaft becomes a minecart with chest that rests on top of some rails.

Publicity[]

  • In LEGO Minecraft Micro World – "The Village", a mineshaft is beneath a village.[7]

Gallery[]

Badlands mineshafts[]

Odd generation[]

References[]

  1. MC-238311 – resolved as "Works As Intended"
  2. de:Datei:Mine Ausdehnung b1.8.gif
  3. de:Datei:Mine Verteilung b1.8.gif
  4. de:Datei:Mine Verteilung 13w36a.gif
  5. MC-215876 – "Dirt can generate below y=0 from mineshafts" – resolved as "Fixed"
  6. MC-238311 – "Mineshaft dirt rooms above y=0 no longer generates with dirt" – resolved as "Works As Intended"
  7. http://shop.lego.com/en-US/Micro-World-The-Village-21105


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