Simple Lithology

quartz alkali feldspar syenite

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

definition Alkali feldspar syenitic rock that contains 5 to 20 percent quartz and no feldspathoid in the QAPF fraction. QAPF field 6*. more like this
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader alkali feldspar syenitic rock
narrower quartz alkali feldspar syenite
in scheme simplelithology
is primary topic of quartz alkali feldspar syenite