Simple Lithology

quartz anorthosite

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

definition Anorthositic rock that contains between 5 and 20 percent quartz in the QAPF fraction. QAPF field 10*. more like this
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader anorthositic rock
narrower quartz anorthosite
in scheme simplelithology
is primary topic of quartz anorthosite