{
  "feature": "minecraft:ore_diorite",
  "placement": [
    {
      "chance": 8,
      "type": "minecraft:rarity_filter"
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "height": {
        "min_inclusive": {
          "absolute": 64
        },
        "max_inclusive": {
          "absolute": 128
        },
        "type": "minecraft:uniform"
      },
      "type": "minecraft:height_range"
    },
    {
      "predicate": {
        "predicate": {
          "blocks": "minecraft:air",
          "offset": [
            0,
            10,
            0
          ],
          "type": "minecraft:matching_blocks"
        },
        "type": "minecraft:not"
      },
      "type": "minecraft:block_predicate_filter"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}