*'''"Slight traces"''' - Shows for ore that is 2 tiles away. Unlocked with Analyse at prospecting level 20.
*'''"Faint traces"''' - Shows for ore that is 3 tiles away. Unlocked at prospecting level 35.
*'''"Minuscule traces"''' - Shows for ore that is 4 tiles away. Unlocked at prospecting level 5452.
*'''"Vague traces"''' - Shows for ore that is 5 tiles away. Unlocked at prospecting level 70. (I saw this at 69.8+)
*'''"Indistinct traces"''' - Shows for ore that is 6 tiles away. Unlocked at prospecting level 85(?). (Needs confirmation)