A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Siderite carbonatite, Gunnison County, Colorado, USA |
|---|---|
| Description | This is a greenish to dark brown crystalline carbonate rock. Unlike most carbonate rocks, this has an intrusive igneous origin. The sample, about 9 cm across, contains principally calcite and (lesser amounts of) siderite. Quartz, barite, pyrite, and several other minor minerals are also present. |
| Chronostratigraphy | Pre-Jurassic |
| Location | USA ▹ Colorado ▹ Gunnison. Near Iron Hill. |
| Photographer | Shannon Heinle. 2001-02-07. |
| Collection | Ward’s Collection of Classic North American Rocks #20. |
| Key words | carbonatite, siderite, Colorado |
| Tech details | 737 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 29 |
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