A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Bangor slate (Martinsburg shale), Northampton County, Pennsylvania |
|---|---|
| Description | This dark gray slate is composed primarily of graphite and magnetite (giving it the dark color), sericite (a white mica), and chlorite. It also contains minor calcite and quartz. This is a low-grade metamorphic rock. |
| Chronostratigraphy | Ordovician |
| Lithostratigraphy | Bangor slate (Martinsburg shale) |
| Location | USA ▹ Pennsylvania ▹ Northampton. Near Bangor. |
| Photographer | Dexter Perkins. 2000. |
| Collection | Ward’s Collection of Classic North American Rocks #77. |
| Key words | slate, shale, Pennsylvania, Bangor, Martinsburg |
| Tech details | 142 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 15 |
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