Mineshafts
A one or two level underground structure that can spawn in any biome.
Spawned by carving a cave, decorating the sides with cobblestone and mossy cobblestone, then placing elevated rails and wooden buttresses with lamps. Spawns Chest Minecarts.
A small room with furnaces and sometimes lamps and chests.
The room that connects upper and lower levels of Mineshafts. Sometimes, an ore lift will spawn inside it with random ores.
An open room with a lot of webbing and one cave spider spawner.
Similar to mineshafts, but spawns with a dark oak theme. Badlands mines will have a surface entrance that extrudes out of badlands plateaus. The shaft down from this surface entrance can spawn various ore platforms and one ore lift at the bottom.
The mineshaft at the bottom tends to be smaller.
