diff --git a/src/main/java/info/jbcs/minecraft/chisel/ChiselModCompatibility.java b/src/main/java/info/jbcs/minecraft/chisel/ChiselModCompatibility.java
index fb43c206..bebad330 100644
--- a/src/main/java/info/jbcs/minecraft/chisel/ChiselModCompatibility.java
+++ b/src/main/java/info/jbcs/minecraft/chisel/ChiselModCompatibility.java
@@ -159,6 +159,24 @@ public class ChiselModCompatibility
                 block.setHarvestLevel("chisel", 0, 5);
             }
         };
+        new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "STRONG_STONE_SLAB")
+        {
+            @Override
+            void action()
+            {
+                Carving.chisel.addVariation("marbleSlab", block, 5, 99);
+                block.setHarvestLevel("chisel", 0, 5);
+            }
+        };
+        new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "STRONG_STONE_BRICK_STAIRS__MARBLE")
+        {
+            @Override
+            void action()
+            {
+                Carving.chisel.addVariation("marbleStairs", block, 0, 99);
+                block.setHarvestLevel("chisel", 0, 0);
+            }
+        };
         new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "MEDIUM_STONE")
         {
             @Override
@@ -168,6 +186,42 @@ public class ChiselModCompatibility
                 block.setHarvestLevel("chisel", 0, 0);
             }
         };
+        new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "MEDIUM_STONE_SLAB")
+        {
+            @Override
+            void action()
+            {
+                Carving.chisel.addVariation("limestoneSlab", block, 0, 99);
+                block.setHarvestLevel("chisel", 0, 0);
+            }
+        };
+        new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "MEDIUM_STONE_BRICK_STAIRS__LIMESTONE")
+        {
+            @Override
+            void action()
+            {
+                Carving.chisel.addVariation("limestoneStairs", block, 0, 99);
+                block.setHarvestLevel("chisel", 0, 0);
+            }
+        };
+        new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "STRONG_STONE_BRICK")
+        {
+            @Override
+            void action()
+            {
+                Carving.chisel.addVariation("stoneBrick", block, 3, 99);
+                block.setHarvestLevel("chisel", 0, 3);
+            }
+        };
+        new ClassBlockCompat("org.pfaa.geologica.GeologicaBlocks", "STRONG_COBBLE")
+        {
+            @Override
+            void action()
+            {
+                Carving.chisel.addVariation("cobblestone", block, 3, 99);
+                block.setHarvestLevel("chisel", 0, 3);
+            }
+        };
     }
 
 }