A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Phosphorite, Conda, Idaho |
|---|---|
| Description | Phosphorites are sedimentary rocks composed primarily of collophane (a microcrystalline variety of apatite, a phosphate mineral). This light brown specimen of the Phosphoria Formation contains oolites but they are hard to see. It is 9 cm across. |
| Chronostratigraphy | Permian |
| Lithostratigraphy | Phosphoria Formation |
| Location | USA ▹ Idaho. Near Conda. |
| Photographer | Mike Davis. 2001-04-05. |
| Collection | Ward’s Collection of Classic North American Rocks #66. |
| Key words | phosphorite, Idaho, Phosphoria Formation |
| Tech details | 560 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 301 |
 | |