| Title | Negaunee Iron Formation, Athens Mine Anticline, Negaunee, Michigan |
| Description | This is a sample of the Negaunee Iron Formation from Michigan's Upper Peninsula. It is dominated by siderite but also includes layers of quartz and some dark brown quartz pebbles. This sample is 9 cm across. |
| Chronostratigraphy | Precambrian |
| Lithostratigraphy | Negaunee Iron Formation |
| Location | USA ▹ Michigan. Near Negaunee. Athens Mine Anticline. |
| Photographer | Mike Davis. 2001-04-10. |
| Collection | Ward’s Collection of Classic North American Rocks #68. |
| Key words | Negaunee Iron Formation, siderite, Michigan |
| Tech details | 608 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 319 |
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