Simple Lithology

tephritic 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 greater than 0.5, with less than 10 percent normative olivine more like this
source LeMaitre et al. 2002 more like this
broader foiditoid
narrower tephritic foidite
in scheme simplelithology
is primary topic of tephritic foidite