A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Variegated dolomite, Marquette, Michigan |
|---|---|
| Description | Dolomite is the name of a specific mineral, CaMg(CO3)2, and also of a rock (like this one) composed mostly of that mineral. This sample has red streaks and reddish layers in it due to staining by iron oxide (Fe2O3, hematite). The sample is 10 cm across. |
| Location | USA ▹ Michigan. Near Marquette. |
| Photographer | Nessa Eull. 2001-05-21. |
| Collection | Ward’s University Rock Collection #159. |
| Key words | dolomite, Michigan |
| Tech details | 856 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 492 |
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