{
  "type": "ftbic:ore_biome_modifiers",
  "biome_blacklist": "#minecraft:is_overworld",
  "features": [
    "ftbic:ore_iridium_large",
    "ftbic:ore_iridium_buried",
    "ftbic:ore_tin_upper",
    "ftbic:ore_tin_small",
    "ftbic:ore_lead_small",
    "ftbic:ore_uranium_extra",
    "ftbic:ore_aluminum_upper",
    "ftbic:ore_iridium",
    "ftbic:ore_aluminum_small",
    "ftbic:ore_lead_middle",
    "ftbic:ore_uranium",
    "ftbic:ore_aluminum_middle",
    "ftbic:ore_lead_upper",
    "ftbic:ore_uranium_lower",
    "ftbic:ore_tin_middle"
  ],
  "generation_stage": "UNDERGROUND_ORES"
}