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Soudan, Minnesota 55782
(Photos)
Red quartz crystals lining void in specularite (Soudan Iron-Formation, Neoarchean, 2.722 Ga; Montana Stope, 27th level of the Soudan Mine, Soudan, Minnesota, USA) 8
Red quartz crystals lining void in specularite (Soudan Iron-Formation, Neoarchean, 2.722 Ga; Montana Stope, 27th level of the Soudan Mine, Soudan, Minnesota, USA) 9
Reflections
Airport
Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 1
Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 2
Faulted jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA)
Interbedded specularite-quartzite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA)
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 1
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 2
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 3
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 4
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 5
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 6
Specularite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 7
Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; display piece in monument at Tower Train Museum, Tower, Minnesota, USA) 3
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 26
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 25
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 27
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 28
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 29
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 30
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 31
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 32
Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 33
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