{
  "type": "minecraft:add",
  "argument1": {
    "type": "minecraft:y_clamped_gradient",
    "from_y": 30,
    "to_y": 256,
    "from_value": 0.8,
    "to_value": -1
  },
  "argument2": {
    "type": "minecraft:add",
    "argument1": {
      "type": "minecraft:noise",
      "noise": "minecraft:gravel",
      "xz_scale": 0.92,
      "y_scale": 0.25
    },
    "argument2": {
      "type": "minecraft:add",
      "argument1": {
        "type": "minecraft:noise",
        "noise": "minecraft:calcite",
        "xz_scale": 0.5,
        "y_scale": 2
      },
      "argument2": {
        "type": "minecraft:cache_2d",
        "argument": {
          "type": "minecraft:noise",
          "noise": "minecraft:gravel",
          "xz_scale": 0.5,
          "y_scale": -2.3
        }
      }
    }
  }
}
