Simple Lithology

alkali feldspar trachyte

http://resource.geosciml.org/classifier/cgi/lithology/alkali_feldspar_trachyte

star this property definition Trachytoid that has a plagioclase to total feldspar ratio less than 0.1, between 0 and 5 percent quartz in the QAPF fraction, and no feldspathoid minerals. QAPF field 6. more like this
star this property source LeMaitre et al. 2002 more like this
star this property type
Resource
Concept
star this property broader alkali feldspar trachytic rock
star this property narrower alkali feldspar trachyte
star this property in scheme simplelithology
star this property is primary topic of alkali feldspar trachyte& properties=prefLabel