Minecraft wiki entry for Mineshaft, associated text: Exposed gold ore in an above-ground mineshaft.
The central room of an above-ground mineshaft.
An above-ground mineshaft generated from a nearby badlands into a jungle.
The spawner corridor generated above ground.
An entrance to a mineshaft.
Badlands mineshaft bridge generated over a ravine.
A mineshaft beneath a badlands biome.