Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in Saint Louis county, Minnesota
[
Additional scientific data in this geographic area
]
LS01: Duluth Cu-Ni-PGE (5a)
(Middle Proterozoic)
, covers 7 % of this area
The number of undiscovered deposits in this tract was not estimated.
LS02: Massive sulfide, kuroko (28a)
(Archean)
, covers 21 % of this area
The number of undiscovered deposits in this tract was not estimated.
LS08: Native Cu
(Middle Proterozoic)
, covers 2 % of this area
90%
50%
10%
5%
1%
10
20
40
40
40
LS11: Low-sulfide Au-quartz vein, Archean (36b)
(Archean)
, covers 47 % of this area
90%
50%
10%
5%
1%
2
4
6
6
6
LS12: Low-sulfide Au-quartz vein, Archean (36b)
(Archean)
, covers 6 % of this area
90%
50%
10%
5%
1%
2
3
6
6
6
