{
    "feature": "sdbf:asteroid_belt/lead_ore_geode",
    "placement": [
        {
            "type": "minecraft:rarity_filter",
            "chance": 150
        },
        {
            "type": "minecraft:in_square"
        },
        {
            "type": "minecraft:height_range",
            "height": {
                "type": "minecraft:uniform",
                "min_inclusive": {
                    "absolute": 20
                },
                "max_inclusive": {
                    "absolute": 220
                }
            }
        },
        {
            "type": "minecraft:biome"
        }
    ]
}