foid bearing alkali feldspar syenite (Q41572)

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Alkali feldspar syenitic rock that contains 0-10 percent feldspathoid mineral and no quartz in the QAPF fraction. QAPF field 6'.
  • foid-bearing-alkali-feldspar-syenite
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English
foid bearing alkali feldspar syenite
Alkali feldspar syenitic rock that contains 0-10 percent feldspathoid mineral and no quartz in the QAPF fraction. QAPF field 6'.
  • foid-bearing-alkali-feldspar-syenite

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