Mines

The Mines biome are found deeper underground in small areas throughout the caves. Mines occupy sub-levels three and four, and are arranged in straight tunnels that frequently criss-cross with one another in a grid-like fashion. Copper and Iron ore deposits are commonly found, rocks, flint, and boulders are also found blocking some passages, and ruined boards can be harvested for a good source of planks.

Spawn-rates

 * Rate (200)
 * Max spawns (8)

Tips
The tunnels can make good choke points for filtering hostile mobs, with some passages blocked by boulders to make effective barriers. The tunnels are always aligned in a grid fashion which make the mines easy to navigate.