{
  "type": "minecraft:disk",
  "config": {
    "half_height": 1,
    "radius": {
      "type": "minecraft:uniform",
      "value": {
        "max_inclusive": 3,
        "min_inclusive": 2
      }
    },
    "state_provider": {
      "fallback": {
        "type": "minecraft:simple_state_provider",
        "state": {
          "Name": "unusualprehistory:permafrost"
        }
      },
      "rules": []
    },
    "target": {
      "type": "minecraft:matching_blocks",
      "blocks": [
        "minecraft:stone",
        "minecraft:deepslate"
      ]
    }
  }
}