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quartz syenite

definition Syenitic rock that contains between 5 and 20 percent quartz in the QAPF fraction. Defined modally in QAPF Field 7*. more like this
source LeMaitre et al. 2002 more like this
Resource original
Concept original
broader original
narrower quartz_syenite original
in scheme simplelithology original
is primary topic of quartz_syenite