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Soudan, Minnesota 55782

(Photos)

Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 9

Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 10

Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 11

Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 14

Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 15

Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Rt. 169 roadcut between Soudan & Robinson, Minnesota, USA) 12

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 1

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 2

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 4

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 5

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 6

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 7

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 8

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 9

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 11

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 12

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 13

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 14

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 15

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 16

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 17

Specularite (high-grade iron ore) (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 10

Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 1

Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 2

Jaspilite (Soudan Iron-Formation, Neoarchean, ~2.722 Ga; Soudan Mine, Soudan, Minnesota, USA) 3

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