*"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 40. (Needs confirmation) (Required level is >40)
*"Vague traces" - Shows for ore that is 5 tiles away. Unlocked at prospecting level 70. (Needs confirmation)
Level necessary to see quality at specific distances:
*"Traces" quality, unlocked at level 20
*"Slight traces" quality, unlocked at level 60 (Needs confirmation) (Required level is <41)
*"Faint traces" quality, unlocked at level 70 (Needs confirmation)
*"Minuscule traces" quality, unlocked at level 80 (Needs confirmation)