Simple Lithology

foiditoid

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

alt label
foidite (sensu lato) more like this
foiditic rock more like this
definition Fine grained crystalline rock containing less than 90 percent mafic minerals and more than 60 percent feldspathoid minerals in the QAPF fraction. Includes rocks defined modally in QAPF field 15 or chemically in TAS field F. more like this
narrower basanitic foidite
broader foiditoid
foidite
broader foiditoid
phonolitic foidite
broader foiditoid
tephritic foidite
broader foiditoid
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader fine grained igneous rock
narrower foiditoid
in scheme simplelithology
is primary topic of foiditoid