Macrostrat
Columns
Birch, Uchi Lakes
Birch, Uchi Lakes
–
Canadian Shield
#778
,
project 1
,
show in map
.
Age (Ma)
2,520
2,500
Paleoproterozoic
Siderian
Neoarchean
Unnamed
120.0 Ma
2,850
2,800
2,750
2,700
2,650
Neoarchean
Mesoarchean
Unnamed intrusions
Unnamed 4
Unnamed 3
Unnamed 2
Unnamed 1