quartz trachyte (Q41808)
From geokb
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 |
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English | quartz trachyte |
Trachytic rock that contains between 5 and 20 percent quartz in the QAPF fraction. QAPF field 7*. |
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