{
  "format_version": "1.13.0",
  "minecraft:feature_rules": {
    "description": {
      "identifier": "minecraft:overworld_underground_copper_ore_feature",
      "places_feature": "minecraft:copper_ore_feature"
    },
    "conditions": {
      "placement_pass": "underground_pass",
      "minecraft:biome_filter": {
        "all_of": [
          {
            "any_of": [
              {
                "test": "has_biome_tag",
                "operator": "==",
                "value": "overworld"
              },
              {
                "test": "has_biome_tag",
                "operator": "==",
                "value": "overworld_generation"
              }
            ]
          },
          {
            "test": "has_biome_tag",
            "operator": "!=",
            "value": "dripstone_caves"
          }
        ]
      }
    },
    "distribution": {
      "iterations": 16,
      "coordinate_eval_order": "zyx",
      "x": {
        "distribution": "uniform",
        "extent": [ 0, 16 ]
      },
      "y": {
        "distribution": "triangle",
        "extent": [ -16, 112 ]
      },
      "z": {
        "distribution": "uniform",
        "extent": [ 0, 16 ]
      }
    }
  }
}