name or note. Since subscripts cannot be put into a database field, these will often be put in parentheses or a separate field in the database. You will have to change these to subscripts when it is time to label the map if they are deemed necessary for the map’s purpose. An example geologic map unit code would be
KJm(c): KJ = Cretaceous‑Jurassic age m = marine sedimentary rock‑type (c) = Constitution Formation, Decatur terrane