Simple Lithology

foid bearing alkali feldspar syenite

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

definition Alkali feldspar syenitic rock that contains 0-10 percent feldspathoid mineral and no quartz 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 foid bearing alkali feldspar syenite
in scheme simplelithology
is primary topic of foid bearing alkali feldspar syenite