Iron Ore – Minecraft Wiki
Iron ore can generate in the Overworld in the form of blobs. Iron ore attempts to generate 20 times per chunk in blobs of size 013, from levels 0 to 63, in all biomes. On average they generate 112 ores per chunk. Iron ore can replace stone, granite, diorite, andesite, tuff, and deepslate. If it replaces tuff or deepslate, it will become ...