quartz trachyte (Q41808)

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Trachytic rock that contains between 5 and 20 percent quartz in the QAPF fraction. QAPF field 7*.
  • quartz-trachyte
Language Label Description Also known as
English
quartz trachyte
Trachytic rock that contains between 5 and 20 percent quartz in the QAPF fraction. QAPF field 7*.
  • quartz-trachyte

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