Ranks
Rank 1
Geology
Get more common and uncommon inorganic resources from surface objects.
Rank 2
Geology
Get more rare inorganic resources from surface objects.
Rank 3
Geology
Get more exotic inorganic resources from surface objects.
Rank 4
Geology
Occasionally harvest additional rarer resources from surface objects.
Challenges
Rank 1: Harvest inorganic resources from 20 sources.
Rank 2: Harvest inorganic resources from 50 sources.
Rank 3: Harvest inorganic resources from 100 sources.