A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Diorite porphyry, Jackson, Wyoming |
|---|---|
| Description | This sample contains hornblende and plagioclase phenocrysts in a ground mass of plagioclase, biotite and quartz (?). It is 10 cm across. |
| Location | USA ▹ Wyoming. Near Jackson. |
| Photographer | Mike Davis. 2001-04-24. |
| Collection | Ward’s Collection of Classic North American Rocks #119. |
| Key words | diorite, porphyry, Wyoming |
| Tech details | 954 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 383 |
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