Quartzolite |
|
QuartzoliteQuartzolite is a name of a granitoid rock that is composed of more than 90% quartz. This sample from the Peninsular Ranges of northern San Diego County consists dominantly of medium-grained quartz grainz with traces of muscavite and biotite mica, white feldspar, and magnetite. |
| https://gotbooks.miracosta.edu/rocks/igneous/43.html | 2/2/2021 |