Trachyte
Esquema
Jerarquía
<materials by composition> > inorganic material > rock > igneous rock > <igneous rock by composition> > <igneous rock by composition: chemical> > acid igneous rock > felsite
Descripción
A class of volcanic rocks, light in color and density, chiefly composed of alkali feldspar in which a small amount of quartz or oligoclase may also be present.
URI original del concepto
Otros términos
- trachytes [en]