worlds=[
    {
        dimension="minecraft:overworld"
        "filler block"="minecraft:stone"
        ores=[
            {
                deposits {
                    "max y"=128
                    "min y"=4
                    # larger rarity = more loot
                    rarity=50
                    "tool types"=[
                        diamond,
                        gold,
                        iron,
                        stone,
                        wood
                    ]
                }
                drops {
                    amount {
                        Amount=1.0
                        ContentVersion=1
                    }
                    drop="minecraft:coal"
                    # If different than drop (eg. diamond)
                    ore="minecraft:coal_ore"
                }
            },
            {
                deposits {
                    "max y"=50
                    "min y"=4
                    # larger rarity = more loot
                    rarity=35
                    "tool types"=[
                        diamond,
                        gold,
                        iron,
                        stone
                    ]
                }
                drops {
                    amount {
                        Amount=1.0
                        ContentVersion=1
                    }
                    drop="minecraft:iron_ore"
                    # If different than drop (eg. diamond)
                    ore=null
                }
            },
            {
                deposits {
                    "max y"=30
                    "min y"=4
                    # larger rarity = more loot
                    rarity=28
                    "tool types"=[
                        diamond,
                        gold,
                        iron
                    ]
                }
                drops {
                    amount {
                        Amount=1.0
                        ContentVersion=1
                    }
                    drop="minecraft:gold_ore"
                    # If different than drop (eg. diamond)
                    ore=null
                }
            },
            {
                deposits {
                    "max y"=25
                    "min y"=4
                    # larger rarity = more loot
                    rarity=20
                    "tool types"=[
                        diamond,
                        gold,
                        iron
                    ]
                }
                drops {
                    amount {
                        Base=5.0
                        ContentVersion=1
                        Variance {
                            Amount=3.0
                            ContentVersion=1
                        }
                    }
                    drop="minecraft:redstone"
                    # If different than drop (eg. diamond)
                    ore="minecraft:redstone_ore"
                }
            },
            {
                deposits {
                    "max y"=22
                    "min y"=4
                    # larger rarity = more loot
                    rarity=15
                    "tool types"=[
                        diamond,
                        gold,
                        iron
                    ]
                }
                drops {
                    amount {
                        Base=6.0
                        ContentVersion=1
                        Variance {
                            Amount=4.0
                            ContentVersion=1
                        }
                    }
                    drop="minecraft:lapis_ore"
                    # If different than drop (eg. diamond)
                    ore="minecraft:lapis_block"
                }
            },
            {
                deposits {
                    "max y"=18
                    "min y"=4
                    # larger rarity = more loot
                    rarity=10
                    "tool types"=[
                        diamond,
                        iron
                    ]
                }
                drops {
                    amount {
                        Amount=1.0
                        ContentVersion=1
                    }
                    drop="minecraft:diamond"
                    # If different than drop (eg. diamond)
                    ore="minecraft:diamond_ore"
                }
            },
            {
                deposits {
                    "max y"=15
                    "min y"=4
                    # larger rarity = more loot
                    rarity=2
                    "tool types"=[
                        diamond
                    ]
                }
                drops {
                    amount {
                        Amount=1.0
                        ContentVersion=1
                    }
                    drop="minecraft:emerald"
                    # If different than drop (eg. diamond)
                    ore="minecraft:emerald_ore"
                }
            }
        ]
        world=world
    },
    {
        dimension="minecraft:nether"
        "filler block"="minecraft:netherrack"
        ores=[
            {
                deposits {
                    "max y"=256
                    "min y"=4
                    # larger rarity = more loot
                    rarity=0
                    "tool types"=[
                        diamond,
                        gold,
                        iron
                    ]
                }
                drops {
                    amount {
                        Amount=1.0
                        ContentVersion=1
                    }
                    drop="minecraft:quartz"
                    # If different than drop (eg. diamond)
                    ore="minecraft:quartz_ore"
                }
            }
        ]
        world=world
    },
    {
        dimension="minecraft:the_end"
        "filler block"="minecraft:end_stone"
        ores=[]
        world=world
    }
]