{
    "type": "tfc:disc_vein",
    "config": {
        "rarity": 210,
        "density": 0.9,
        "min_y": -35,
        "max_y": -12,
        "project": true,
        "project_offset": true,
        "size": 50,
        "height": 3,
        "random_name": "bituminous_coal",
        "blocks": [
            {
                "replace": [
                    "tfc:rock/raw/shale"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/shale"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            },
            {
                "replace": [
                    "tfc:rock/raw/claystone"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/claystone"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            },
            {
                "replace": [
                    "tfc:rock/raw/limestone"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/limestone"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            },
            {
                "replace": [
                    "tfc:rock/raw/conglomerate"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/conglomerate"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            },
            {
                "replace": [
                    "tfc:rock/raw/dolomite"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/dolomite"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            },
            {
                "replace": [
                    "tfc:rock/raw/chert"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/chert"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            },
            {
                "replace": [
                    "tfc:rock/raw/chalk"
                ],
                "with": [
                    {
                        "weight": 80,
                        "block": "tfc:ore/bituminous_coal/chalk"
                    },
                    {
                        "weight": 20,
                        "block": "tfc:ore/graphite/basalt"
                    }
                ]
            }
        ]
    }
}