diff --git a/data/fields/geological_outcrop.json b/data/fields/geological_outcrop.json
new file mode 100644
index 00000000..bf7801ce
--- /dev/null
+++ b/data/fields/geological_outcrop.json
@@ -0,0 +1,11 @@
+{
+    "key": "geological",
+    "type": "defaultCheck",
+    "label": "Exposed bedrock",
+    "strings": {
+        "options": {
+            "undefined": "No",
+            "outcrop": "Yes"
+        }
+    }
+