diff --git a/assets/mods/basegame/ores/worldgen.csv b/assets/mods/basegame/ores/worldgen.csv
index 343156a1d..d7bfa0eef 100644
--- a/assets/mods/basegame/ores/worldgen.csv
+++ b/assets/mods/basegame/ores/worldgen.csv
@@ -1,7 +1,7 @@
 "id";"freq";"power";"scale";"ratio";"tiling";"comment"
-"1";"0.026";"0.01";"0.505";"1.0";"a16x16";"copper (malachite)"
-"2";"0.040";"0.01";"0.505";"1.0";"a16x16";"iron (haematite)"
-"3";"0.040";"0.08";"0.493";"10.0";"a16x4";"coal"
+"1";"0.04";"0.01";"0.51";"1.0";"a16x16";"copper (malachite)"
+"2";"0.07";"0.01";"0.51";"1.0";"a16x16";"iron (haematite)"
+"3";"0.026";"0.07";"0.504";"3.8";"a16x4";"coal"
 
 ################################################################################
 
diff --git a/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt b/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
index 5424d26f0..832e0b67b 100644
--- a/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
+++ b/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
@@ -689,9 +689,9 @@ internal object TerragenTest : NoiseMaker {
         return listOf(
             Joise(groundScaling),
             Joise(caveScaling),
-            Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:1", 0.024, 0.01, 0.505, 1.0)),
-            Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:2", 0.04, 0.01, 0.505, 1.0)),
-            Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:3", 0.04, 0.08, 0.493, 5.0)),
+            Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:1", 0.04, 0.01, 0.51, 1.0)),
+            Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:2", 0.07, 0.01, 0.51, 1.0)),
+            Joise(generateOreVeinModule(caveAttenuateBiasScaled, seed shake "ores@basegame:3", 0.026, 0.07, 0.504, 3.8)),
         )
     }