Mineral assessment tracts in Ashland county, Wisconsin

[Additional scientific data in this geographic area]

LS01: Duluth Cu-Ni-PGE (5a) (Middle Proterozoic) , covers 8 % of this area
The number of undiscovered deposits in this tract was not estimated.
LS07: Sediment-hosted Cu, reduced-facies (modified) (30b.1) (Middle Proterozoic) , covers 5 % of this area
90%50%10%5%1%
25101010
LS08: Native Cu (Middle Proterozoic) , covers 0.6 % of this area
90%50%10%5%1%
1020404040