Minecraft wiki entry for Iron_Ore, associated text: In Bedrock Edition, iron ore generates in three batches. The first batch attempts to generate 90 times per chunk in blobs of 0-13, from levels 80 to 319, being most common around level 232 and becoming less common towards either end of the range. The second batch attempts to generate 10 times per chunk in blobs of 0-13, from levels -24 to 56, being most common around level 16 and becoming less common towards either end of the range. The third batch attempts to generate 10 times per chunk in blobs of 0-5, evenly from levels -63 to 72.