Simple Lithology

anorthositic rock

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

star this property definition Leucocratic phaneritic crystalline igneous rock consisting essentially of plagioclase, often with small amounts of pyroxene. By definition, colour index M is less than 10, and plagiclase to total feldspar ratio is greater than 0.9. Less than 20 percent quartz and less than 10 percent feldspathoid in the QAPF fraction. QAPF field 10, 10*, and 10'. more like this
star this property narrower anorthosite
star this property broader anorthositic rock
foid bearing anorthosite
star this property broader anorthositic rock
quartz anorthosite
star this property broader anorthositic rock
star this property note Anorthositic rock term invented to label the combined QAPF fields 10, 10*, and 10', in order to construct hierarchy in this vocabulary. more like this
star this property source LeMaitre et al. 2002; This vocabulary more like this
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Resource
Concept
star this property broader phaneritic igneous rock
star this property narrower anorthositic rock
unstar this property in scheme simplelithology
star this property is primary topic of anorthositic rock& properties=inScheme