{
  "feature": {
    "type": "minecraft:ore",
    "config": {
      "size": 64,
      "discard_chance_on_air_exposure": 0,
      "targets": [
        {
          "target": {
            "predicate_type": "minecraft:block_match",
            "block": "minecraft:grass_block"
          },
          "state": {
            "Name": "minecraft:deepslate"
          }
        },
        {
          "target": {
            "predicate_type": "minecraft:block_match",
            "block": "minecraft:rooted_dirt"
          },
          "state": {
            "Name": "minecraft:deepslate"
          }
        }
      ]
    }
  },
  "placement": [
    {
      "type": "minecraft:height_range",
      "height": {
        "above_bottom": 0
      }
    },
    {
      "type": "minecraft:block_predicate_filter",
      "predicate": {
        "type": "minecraft:all_of",
        "predicates": [
          {
            "type": "minecraft:matching_blocks",
            "offset": [
              0,
              1,
              0
            ],
            "blocks": [
              "minecraft:moss_block"
            ]
          },
          {
            "type": "minecraft:matching_blocks",
            "offset": [
              0,
              2,
              0
            ],
            "blocks": [
              "minecraft:sculk"
            ]
          }
        ]
      }
    },
    {
      "type": "minecraft:count",
      "count": 128
    },
    {
      "type": "minecraft:height_range",
      "height": {
        "absolute": 0
      }
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:surface_relative_threshold_filter",
      "heightmap": "WORLD_SURFACE_WG",
      "min_inclusive": -250,
      "max_inclusive": -147
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "WORLD_SURFACE_WG"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
