quartz alkali feldspar syenite (Q41591)

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Alkali feldspar syenitic rock that contains 5 to 20 percent quartz and no feldspathoid in the QAPF fraction. QAPF field 6*.
  • quartz-alkali-feldspar-syenite
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English
quartz alkali feldspar syenite
Alkali feldspar syenitic rock that contains 5 to 20 percent quartz and no feldspathoid in the QAPF fraction. QAPF field 6*.
  • quartz-alkali-feldspar-syenite

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