quartz syenite (Q41597)

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Syenitic rock that contains between 5 and 20 percent quartz in the QAPF fraction. Defined modally in QAPF Field 7*.
  • quartz-syenite
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English
quartz syenite
Syenitic rock that contains between 5 and 20 percent quartz in the QAPF fraction. Defined modally in QAPF Field 7*.
  • quartz-syenite

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