A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Hornblende Gabbro, Salem, Essex County, Massachusetts |
|---|---|
| Description | A coarse-textured, dark colored intrusive igneous rock. Primary minerals include plagioclase, hornblende, and biotite. This sample is 9.5 cm across. |
| Chronostratigraphy | Early Paleozoic |
| Lithostratigraphy | Salem Gabbro (Diorite) |
| Location | USA ▹ Massachusetts ▹ Essex. Near Salem. |
| Photographer | Mike Davis. 2001-02-22. |
| Collection | Ward’s Collection of Classic North American Rocks #31. |
| Key words | hornblende gabbro, hornblende, gabbro, Massachusetts |
| Tech details | 478 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 135 |
 | |