{
  "oreConfig": [
    {
      "ore": "minecraft:tuff",
      "fillers": [
        "BASE_STONE_OVERWORLD"
      ],
      "distribution": "UNIFORM",
      "minY": -64,
      "maxY": 0,
      "maxVeinSize": 32,
      "spawnRate": 2.0,
      "discardChanceOnAirExposure": 0.0,
      "biomeFilters": {
        "biomeBlacklist": [],
        "biomeWhitelist": [
          "OVERWORLD"
        ]
      },
      "replace": true
    }
  ]
}