| Title | Micropegmatite granite, Riverside County, California |
| Description | This is a fine grained granite. It contains mostly quartz and K-feldspar, with lesser amounts of plagioclase, hornblende and biotite. The specimen is 8 cm across. |
| Location | USA ▹ California ▹ Riverside |
| Photographer | Mike Davis. 2001-04-24. |
| Collection | Ward’s Collection of Classic North American Rocks #103. |
| Key words | micropegmatite, granite, California |
| Tech details | 640 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 374 |
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