diff --git a/src/net/torvald/terrarum/modulebasegame/worldgenerator/Terragen.kt b/src/net/torvald/terrarum/modulebasegame/worldgenerator/Terragen.kt
index a671f9a6a..bd266e20e 100644
--- a/src/net/torvald/terrarum/modulebasegame/worldgenerator/Terragen.kt
+++ b/src/net/torvald/terrarum/modulebasegame/worldgenerator/Terragen.kt
@@ -358,13 +358,13 @@ data class TerragenParamsAlpha2(
         Stratum(Hv(5.0, 0.3), Block.STONE, Block.STONE_MICROCLINE, Block.STONE_LIMESTONE),
         Stratum(Hv(6.0, 0.3), Block.STONE_ORTHOCLASE, Block.STONE_PLAGIOCLASE),
 
-        Stratum(Hv(6.1, 0.03), Block.STONE_MARBLE),
+        Stratum(Hv(6.1, 0.03), Block.STONE_MARBLE, Block.STONE_SLATE),
         Stratum(Hv(6.2, 0.03), Block.STONE, Block.STONE_PLAGIOCLASE, Block.STONE_MICROCLINE),
-        Stratum(Hv(6.3, 0.03), Block.STONE_SLATE),
+        Stratum(Hv(6.3, 0.03), Block.STONE_MARBLE, Block.STONE_SLATE),
         Stratum(Hv(6.4, 0.03), Block.STONE, Block.STONE_ORTHOCLASE, Block.STONE_PLAGIOCLASE, Block.STONE_MICROCLINE),
-        Stratum(Hv(6.5, 0.03), Block.STONE_MARBLE),
+        Stratum(Hv(6.5, 0.03), Block.STONE_MARBLE, Block.STONE_SLATE),
         Stratum(Hv(6.6, 0.03), Block.STONE, Block.STONE_ORTHOCLASE, Block.STONE_PLAGIOCLASE, Block.STONE_MICROCLINE),
-        Stratum(Hv(6.7, 0.03), Block.STONE_SLATE),
+        Stratum(Hv(6.7, 0.03), Block.STONE_MARBLE, Block.STONE_SLATE),
 
         Stratum(Hv(6.9, 0.06), Block.STONE, Block.STONE_ORTHOCLASE, Block.STONE_PLAGIOCLASE, Block.STONE_MICROCLINE),
 
diff --git a/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt b/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
index 3d151397a..f5953243b 100644
--- a/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
+++ b/src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
@@ -44,9 +44,9 @@ const val NOISEBOX_WIDTH = 90 * 18
 const val NOISEBOX_HEIGHT = 90 * 26
 const val TWO_PI = Math.PI * 2
 
-const val WORLDGEN_YOFF = 0
+//const val WORLDGEN_YOFF = 0
 //const val WORLDGEN_YOFF = 1500
-//const val WORLDGEN_YOFF = 5400 - NOISEBOX_HEIGHT
+const val WORLDGEN_YOFF = 5400 - NOISEBOX_HEIGHT
 
 /**
  * Created by minjaesong on 2019-07-23.