{
  "type": "immersiveengineering:mineral_mix",
  "biome_predicates": [
    [
      "minecraft:is_overworld"
    ],
    [
      "minecraft:is_river",
      "c:is_swamp",
      "minecraft:is_ocean"
    ]
  ],
  "fail_chance": 0.2,
  "ores": [
    {
      "chance": 0.6,
      "output": {
        "id": "minecraft:clay"
      }
    },
    {
      "chance": 0.4,
      "output": {
        "id": "minecraft:sand"
      }
    }
  ],
  "spoils": [
    {
      "chance": 0.6,
      "output": {
        "id": "minecraft:gravel"
      }
    },
    {
      "chance": 0.3,
      "output": {
        "id": "minecraft:cobblestone"
      }
    },
    {
      "chance": 0.1,
      "output": {
        "id": "minecraft:coarse_dirt"
      }
    }
  ],
  "weight": 25
}