A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Jaspalite (Negaunee iron formation) |
|---|---|
| Description | This sample, 10 cm across, is from the Negaunee iron formation from the Precambrian Shield (Superior Province) near Ishpeming, Michigan. It is a sedimentary rock composed predominately of red jasper, red-brown hematite, and thin bands of specular hematite. |
| Chronostratigraphy | Precambrian |
| Geologic province | Superior |
| Location | USA ▹ Michigan. Near Negaunee. |
| Photographer | Dexter Perkins. 2001-01-23. |
| Collection | Ward’s Collection of Classic North American Rocks #99. |
| Key words | iron formation, Negaunee, Michigan, jasper, hematite, Precambrian shield |
| Tech details | 202 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 14 |
 | |