| Title | Basalt, Chimney Rock, Somerset County, New Jersey |
| Description | This is a greenish-black rock with aphanitic texture and local red bands due to iron oxide stain. This sample is 9.5 cm across. |
| Chronostratigraphy | Upper Triassic |
| Location | USA ▹ New Jersey ▹ Somerset. Near Chimney Rock. |
| Photographer | Mike Davis. 2001-02-22. |
| Collection | Ward’s Collection of Classic North American Rocks #36. |
| Key words | basalt, New Jersey |
| Tech details | 678 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 140 |
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