Minnesota Banded Iron
![Image shows a detailed view of banded iron in rock](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Jaspilite_banded_iron_formation_%28Soudan_Iron-Formation%2C_Neoarchean%2C_-2.69_Ga%3B_Stuntz_Bay_Road_outcrop%2C_Soudan_Underground_State_Park%2C_Soudan%2C_Minnesota%2C_USA%29_16_%2819225416055%29_0.jpg?itok=w75yJKun)
Detailed Description
A banded iron formation in the Precambrian of Minnesota. Image by James St. John - Jaspilite banded iron formation (Soudan Iron-Formation, Neoarchean, ~2.69 Ga; Stuntz Bay Road outcrop, Soudan Underground State Park, Soudan, Minnesota, USA) 16, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=41615999
Sources/Usage
Public Domain.