{
  "format_version": "1.17.0",
  "minecraft:ore_feature": {
    "description": {
      "identifier": "pr_fossil_ore_feature"
    },
    "count": 10,
    "replace_rules": [
      {
        "places_block": "pr:fossil_ore",
        "may_replace": [
          "minecraft:stone",
          "minecraft:netherrack",
          "minecraft:end_stone",
          "minecraft:andesite",
          "minecraft:diorite",
          "minecraft:tuff",
          "minecraft:calcite",
          "minecraft:granite",
          "minecraft:sandstone",
          "minecraft:dirt",
          "minecraft:ice",
          "minecraft:snow",
          "minecraft:basalt",
          "minecraft:deepslate"
        ]
      }
    ]
  }
}