{
    "feature": "terralith:mountains/rocky/deepslate_extra",
    "placement": [
        {
            "type": "minecraft:biome"
        },
        {
            "type": "minecraft:count",
            "count": 100
        },
        {
            "type": "minecraft:count",
            "count": 50
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:random_offset",
            "xz_spread": {
                "type": "minecraft:uniform",
                "min_inclusive": -4,
                "max_inclusive": 4
            },
            "y_spread": 0
        },
        {
            "type": "minecraft:heightmap",
            "heightmap": "WORLD_SURFACE_WG"
        },
        {
            "type": "minecraft:environment_scan",
            "direction_of_search": "down",
            "max_steps": 8,
            "target_condition": {
                "type": "minecraft:all_of",
                "predicates": [
                    {
                        "type": "minecraft:matching_blocks",
                        "blocks": [
                            "minecraft:tuff",
                            "minecraft:stone",
                            "minecraft:cobblestone",
                            "minecraft:snow_block",
                            "minecraft:powder_snow"
                        ],
                        "offset": [
                            0,
                            0,
                            0
                        ]
                    },
                    {
                        "type": "minecraft:any_of",
                        "predicates": [
                            {
                                "type": "minecraft:matching_blocks",
                                "blocks": [
                                    "minecraft:cobbled_deepslate"
                                ],
                                "offset": [
                                    0,
                                    1,
                                    0
                                ]
                            }
                        ]
                    }
                ]
            }
        }
    ]
}