Simple Lithology

quartz alkali feldspar trachyte

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

definition Alkali feldspar trachytic rock that contains and between 5 and 20 percent quartz mineral in the QAPF fraction. QAPF field 6*. more like this
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader alkali feldspar trachytic rock
narrower quartz alkali feldspar trachyte
in scheme simplelithology
is primary topic of quartz alkali feldspar trachyte