{
  "feature": {
    "config": {
      "discard_chance_on_air_exposure": 0.0,
      "size": 33,
      "targets": [
        {
          "state": {
            "Name": "minecraft:gravel"
          },
          "target": {
            "predicate_type": "minecraft:tag_match",
            "tag": "minecraft:base_stone_overworld"
          }
        }
      ]
    },
    "type": "minecraft:ore"
  },
  "placement": [
    {
      "count": {
        "type": "minecraft:uniform",
        "min_inclusive": 3,
        "max_inclusive": 4
      },
      "type": "minecraft:count"
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "height": {
        "min_inclusive": {
          "above_bottom": 0
        },
        "max_inclusive": {
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        },
        "type": "minecraft:uniform"
      },
      "type": "minecraft:height_range"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}