{
  "weight": 90,
  "density": 0.6,
  "max_height": 80,
  "min_height": 50,
  "dimension_filter": ["name:*(overworld|lostcities)"],
  "generator": {
    "type": "ellipsoid",
    "radius": [16, 16]
  },
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    "type": "simple",
    "value": {
      "type": "weight_random",
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        {
          "weight": 25,
          "value": "ore:lignite"
        },
        {
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          "value": "ore:coal"
        }
      ]
    }
  }
}