| Title | Monzonite, Westerly, Rhode Island |
| Description | This monzonite contains plagioclase, lesser amounts of K-feldspar, and minor quartz and biotite. This sample is 9.5 cm across. |
| Location | USA ▹ Rhode Island. Near Westerly. |
| Photographer | Mike Davis. 2001-04-24. |
| Collection | Ward’s Collection of Classic North American Rocks #116. |
| Key words | monzonite, Rhode Island |
| Tech details | 869 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 381 |
 |