This -should- fix the limestone generation, i dunno, im tired ._.

src/main/java/info/jbcs/minecraft/chisel/Chisel.java

@@ -26,6 +26,8 @@ import info.jbcs.minecraft.chisel.item.ItemBallOMoss;
 import info.jbcs.minecraft.chisel.item.ItemChisel;
 import info.jbcs.minecraft.chisel.item.ItemCloudInABottle;
 import info.jbcs.minecraft.chisel.item.ItemSmashingRock;
+import info.jbcs.minecraft.chisel.world.GeneratorLimestone;
+import info.jbcs.minecraft.chisel.world.GeneratorMarble;
 import info.jbcs.minecraft.utilities.General;
 import net.minecraft.block.Block;
 import net.minecraft.creativetab.CreativeTabs;
@@ -187,8 +189,8 @@ public class Chisel
         });
 
 
-        GameRegistry.registerWorldGenerator(new ChiselWorldGenerator(ChiselBlocks.blockMarble, 32, Configurations.marbleAmount), 1000);
-        GameRegistry.registerWorldGenerator(new ChiselWorldGenerator(ChiselBlocks.blockLimestone, 32, Configurations.limestoneAmount), 1000);
+        GameRegistry.registerWorldGenerator(new GeneratorMarble(ChiselBlocks.blockMarble, 32, Configurations.marbleAmount), 1000);
+        GameRegistry.registerWorldGenerator(new GeneratorLimestone(ChiselBlocks.blockLimestone, 32, Configurations.limestoneAmount), 1000);
 
         proxy.init();
         MinecraftForge.EVENT_BUS.register(this);

src/main/java/info/jbcs/minecraft/chisel/world/GeneratorLimestone.java

@@ -0,0 +1,39 @@
+package info.jbcs.minecraft.chisel.world;
+
+import cpw.mods.fml.common.IWorldGenerator;
+import net.minecraft.block.Block;
+import net.minecraft.world.World;
+import net.minecraft.world.chunk.IChunkProvider;
+import net.minecraft.world.gen.feature.WorldGenMinable;
+
+import java.util.Random;
+
+public class GeneratorLimestone implements IWorldGenerator
+{
+    WorldGenMinable gen;
+    int amount;
+
+    public GeneratorLimestone(Block block, int count, int am)
+    {
+        gen = new WorldGenMinable(block, count);
+        amount = am;
+    }
+
+    protected void genStandardOre1(World world, Random random, int x, int z, int bot, int top)
+    {
+        for(int l = 0; l < amount; ++l)
+        {
+            int i1 = x + random.nextInt(15);
+            int j1 = bot + random.nextInt(top - bot);
+            int k1 = z + random.nextInt(15);
+            gen.generate(world, random, i1, j1, k1);
+        }
+    }
+
+    @Override
+    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider)
+    {
+        genStandardOre1(world, random, chunkX * 16, chunkZ * 16, 40, 128);
+    }
+}
+

src/main/java/info/jbcs/minecraft/chisel/world/GeneratorMarble.java

@@ -1,4 +1,4 @@
-package info.jbcs.minecraft.chisel;
+package info.jbcs.minecraft.chisel.world;
 
 import cpw.mods.fml.common.IWorldGenerator;
 import net.minecraft.block.Block;
@@ -8,12 +8,12 @@ import net.minecraft.world.gen.feature.WorldGenMinable;
 
 import java.util.Random;
 
-public class ChiselWorldGenerator implements IWorldGenerator
+public class GeneratorMarble implements IWorldGenerator
 {
     WorldGenMinable gen;
     int amount;
 
-    public ChiselWorldGenerator(Block block, int count, int am)
+    public GeneratorMarble(Block block, int count, int am)
     {
         gen = new WorldGenMinable(block, count);
         amount = am;
@@ -23,7 +23,6 @@ public class ChiselWorldGenerator implements IWorldGenerator
     {
         for(int l = 0; l < amount; ++l)
         {
-            //TODO change the values if its marble or limestone, thanks to tahg for finding all of this.
             int i1 = x + random.nextInt(16);
             int j1 = bot + random.nextInt(top - bot);
             int k1 = z + random.nextInt(16);