A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Goethite filling fissures in iron formation from Biwabik, Minnesota |
|---|---|
| Description | Goethite, FeO(OH), is a common product when iron-rich rocks oxidize (rust). Here we see yellow-brown goethite filling the fissures in a sample of iron formation from Minnesota's Mesabi Iron Range, near Biwabik, Minnesota. The sample is about 5 cm in length. |
| Chronostratigraphy | Precambrian |
| Location | USA ▹ Minnesota. Near Hibbing. Mesabi Range. |
| Photographer | Darla Sondrol. 2001-02-23. |
| Collection | University of North Dakota Mineralogy Collection #3429. |
| Key words | iron, rust, goethite, Minnesota |
| Tech details | 614 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 153 |
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