Browse Items (2 total)

  • Title is exactly "Trachyte"

Light gray

Hand Sample
Trachytes are an igneous volcanic rock with an aphanitic or porphyritic texture. Alkali feldspar, low amounts of plagioclase and quartz or a feldspathoid are common in trachytes.
Output Formats

atom, dc-rdf, dcmes-xml, json, omeka-xml, rss2