Minecraft wiki entry for Copper_Ore, associated text: In Bedrock Edition, copper ore generate in two batches, the first batch generate anywhere on the overworld biomes except dripstone caves 16 times per chunks in groups from 0 to 16, in layer -16 to 112, being most common in layers 47 and 48 and less common at the ends. the second batch generate only in dripstone caves 16 times per chunks in groups from 0 to 40, in layer -16 to 112, being most common in layers 47 and 48 and less common at the ends. Copper ore can replace stone, granite, diorite, andesite, and deepslate. Copper ore that replace deepslate become deepslate copper ore.