A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Biotite Granite, Barre, Vermont |
|---|---|
| Description | This is a grey, medium-grained igneous (plutonic) rock consisting of feldspar (orthoclase and sodic plagioclase), quartz, biotite, and muscovite. The sample is 9 cm across. |
| Chronostratigraphy | Devonian |
| Lithostratigraphy | Woodbury Granite |
| Location | USA ▹ Vermont ▹ Washington. Near Barre. |
| Photographer | Dexter Perkins. 2001-01-24. |
| Collection | Ward’s Collection of Classic North American Rocks #1. |
| Key words | granite, Vermont |
| Tech details | 922 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 18 |
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