A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Thin section of biotite granite |
|---|---|
| Description | This is a cross polarized view of a biotite granite in thin section. The light to dark brown areas are the biotite and the highly birefringent pink-green area is muscovite. The striped minerals are plagioclase showing twinning. The yellowish and light gray areas without twinning are quartz. |
| Chronostratigraphy | Devonian |
| Lithostratigraphy | Woodbury Granite |
| Location | USA ▹ Vermont ▹ Washington. Near Barre. |
| Photographer | Darla Sondrol. 2001-06-29. |
| Collection | Ward’s Collection of Classic North American Rocks #1. |
| Key words | biotite, granite, Vermont |
| Tech details | 623 KB. Thin section. Nikon FDX-35. |
| GeoDIL number | 957 |
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