http://resource.geosciml.org/classifier/cgi/lithology/anorthosite
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| definition | Anorthositic rock that contains between 0 and 5 percent quartz and no feldspathoid mineral in the QAPF fraction. QAPF field 10. | ||||||
| source | LeMaitre et al. 2002 | ||||||
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| in scheme | simplelithology original | ||||||