Trachydacite (Q41815)

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Revision as of 12:58, 12 May 2023 by Sky (talk | contribs) (‎Changed an Item: Moved Mindat rock identifier to instance of claim as qualifier)
A rocktype intermediate between phonolite and dacite, similar to trachyte, but notably has >20% quartz
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English
Trachydacite
A rocktype intermediate between phonolite and dacite, similar to trachyte, but notably has >20% quartz

    Statements