Category:Silicified stromatolite boundstone with oolites and sinuous stromatolites (Biwabik Iron-Formation; Minnesota)

Media in category "Silicified stromatolite boundstone with oolites and sinuous stromatolites (Biwabik Iron-Formation; Minnesota)"

The following 3 files are in this category, out of 3 total.

Silicified stromatolite boundstone with oolites & sinuous stromatolites (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; near Mary Ellen Mine, near Biwabik, Minnesota, USA) 2 (15059501145).jpg 3,008 × 2,000; 2.44 MB
Silicified stromatolite boundstone with oolites & sinuous stromatolites (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; near Mary Ellen Mine, near Biwabik, Minnesota, USA) 4 (47479738932).jpg 2,726 × 3,699; 7.12 MB
Silicified stromatolite boundstone with oolites & sinuous stromatolites (Biwabik Iron-Formation, Paleoproterozoic, ~1.878 Ga; near Mary Ellen Mine, near Biwabik, Minnesota, USA) 5 (40566520003).jpg 3,865 × 2,697; 7.14 MB

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