Simple Lithology

phonolitic foidite

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

definition Foiditoid that contains less than 90 percent feldspathoid minerals in the QAPF fraction, and has a plagioclase to total feldspar ratio that is less than 0.5 more like this
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader foiditoid
narrower phonolitic foidite
in scheme simplelithology
is primary topic of phonolitic foidite