diff --git a/data/fields/climbing/rock.json b/data/fields/climbing/rock.json
index 4b92edf3..62a75780 100644
--- a/data/fields/climbing/rock.json
+++ b/data/fields/climbing/rock.json
@@ -1,11 +1,19 @@
 {
     "key": "climbing:rock",
     "type": "combo",
-    "options": [
-        "limestone",
-        "sandstone",
-        "granite",
-        "basalt"
-    ],
-    "label": "Rock Type"
+    "label": "Rock Type",
+    "strings": {
+        "options": {
+            "limestone": "Limestone",
+            "sandstone": "Sandstone",
+            "granite": "Granite",
+            "quartzite": "Quartzite",
+            "gritstone": "Gritstone",
+            "gneiss": "Gneiss",
+            "porphyry": "Porphyry",
+            "basalt": "Basalt",
+            "conglomerate": "Conglomerate",
+            "slate": "Slate"
+        }
+    }
 }