A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Oil shale (Kerogen-containing shale), Garfield County, Colorado |
|---|---|
| Description | This blackish-brown stratified shale from Garfield County, Colorado, emits a strong bituminous odor when struck with a hammer. At one time, oil shales from Garfield County were considered as a source of energy, but the costs (in dollars and to the environment) of mining them are prohibitive. This sample is 9.5 cm across. |
| Chronostratigraphy | Tertiary (Eocene) |
| Lithostratigraphy | Green River Formation |
| Location | USA ▹ Colorado ▹ Garfield. Near Grand Junction. |
| Photographer | Mike Davis. 2001-03-22. |
| Collection | Ward’s Collection of Classic North American Rocks #54. |
| Key words | oil shale, kerogen shale, shale, Colorado |
| Tech details | 673 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 243 |
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