diff --git a/data/minecraft/worldgen/configured_feature/ore_iron.json b/data/minecraft/worldgen/configured_feature/ore_iron.json
new file mode 100644
index 0000000..557b323
--- /dev/null
+++ b/data/minecraft/worldgen/configured_feature/ore_iron.json
@@ -0,0 +1,27 @@
+{
+  "type": "minecraft:ore",
+  "config": {
+    "discard_chance_on_air_exposure": 0.2,
+    "size": 7,
+    "targets": [
+      {
+        "state": {
+          "Name": "minecraft:iron_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:stone_ore_replaceables"
+        }
+      },
+      {
+        "state": {
+          "Name": "minecraft:deepslate_iron_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:deepslate_ore_replaceables"
+        }
+      }
+    ]
+  }
+}
diff --git a/data/minecraft/worldgen/configured_feature/ore_iron_small.json b/data/minecraft/worldgen/configured_feature/ore_iron_small.json
new file mode 100644
index 0000000..b5c8e57
--- /dev/null
+++ b/data/minecraft/worldgen/configured_feature/ore_iron_small.json
@@ -0,0 +1,27 @@
+{
+  "type": "minecraft:ore",
+  "config": {
+    "discard_chance_on_air_exposure": 0.0,
+    "size": 4,
+    "targets": [
+      {
+        "state": {
+          "Name": "minecraft:iron_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:stone_ore_replaceables"
+        }
+      },
+      {
+        "state": {
+          "Name": "minecraft:deepslate_iron_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:deepslate_ore_replaceables"
+        }
+      }
+    ]
+  }
+}
diff --git a/data/minecraft/worldgen/configured_feature/ore_iron_upper.json b/data/minecraft/worldgen/configured_feature/ore_iron_upper.json
new file mode 100644
index 0000000..4ac5dcc
--- /dev/null
+++ b/data/minecraft/worldgen/configured_feature/ore_iron_upper.json
@@ -0,0 +1,27 @@
+{
+  "type": "minecraft:ore",
+  "config": {
+    "discard_chance_on_air_exposure": 1.0,
+    "size": 9,
+    "targets": [
+      {
+        "state": {
+          "Name": "minecraft:iron_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:stone_ore_replaceables"
+        }
+      },
+      {
+        "state": {
+          "Name": "minecraft:deepslate_iron_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:deepslate_ore_replaceables"
+        }
+      }
+    ]
+  }
+}
diff --git a/data/minecraft/worldgen/placed_feature/ore_iron_middle.json b/data/minecraft/worldgen/placed_feature/ore_iron_middle.json
index 8d4a859..f8fc58b 100644
--- a/data/minecraft/worldgen/placed_feature/ore_iron_middle.json
+++ b/data/minecraft/worldgen/placed_feature/ore_iron_middle.json
@@ -3,7 +3,7 @@
   "placement": [
     {
       "type": "minecraft:count",
-      "count": 12
+      "count": 10
     },
     {
       "type": "minecraft:in_square"
diff --git a/data/minecraft/worldgen/placed_feature/ore_iron_small.json b/data/minecraft/worldgen/placed_feature/ore_iron_small.json
index 6ad8c47..6b839c9 100644
--- a/data/minecraft/worldgen/placed_feature/ore_iron_small.json
+++ b/data/minecraft/worldgen/placed_feature/ore_iron_small.json
@@ -13,7 +13,7 @@
       "height": {
         "type": "minecraft:uniform",
         "max_inclusive": {
-          "absolute": 72
+          "absolute": 62
         },
         "min_inclusive": {
           "above_bottom": 10
diff --git a/data/minecraft/worldgen/placed_feature/ore_iron_upper.json b/data/minecraft/worldgen/placed_feature/ore_iron_upper.json
new file mode 100644
index 0000000..bd64148
--- /dev/null
+++ b/data/minecraft/worldgen/placed_feature/ore_iron_upper.json
@@ -0,0 +1,27 @@
+{
+  "feature": "minecraft:ore_iron_upper",
+  "placement": [
+    {
+      "type": "minecraft:count",
+      "count": 90
+    },
+    {
+      "type": "minecraft:in_square"
+    },
+    {
+      "type": "minecraft:height_range",
+      "height": {
+        "type": "minecraft:trapezoid",
+        "max_inclusive": {
+          "absolute": 384
+        },
+        "min_inclusive": {
+          "absolute": 80
+        }
+      }
+    },
+    {
+      "type": "minecraft:biome"
+    }
+  ]
+}