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quartz rich igneous rock

broader original
narrower quartz_rich_igneous_rock original original
narrower quartz_rich_igneous_rock original
definition Phaneritic crystalline igneous rock that contains less than 90 percent mafic minerals and contains greater than 60 percent quartz in the QAPF fraction. more like this
quartz-rich granitoid more like this
quartzolite more like this
note Occurrence of igneous rocks meeting this criteria seems to be vanishingly rare, thus subdividing the category does not seem warranted for the purposes of This vocabulary. Future usage of the vocabulary may motivate including quatzolite and quartz-rich granitoid in future revisions more like this
source Gillespie and Styles 1999; LeMaitre et al. 2002 more like this
Resource original
Concept original
in scheme simplelithology original
is primary topic of quartz_rich_igneous_rock