Phonolite (Q41856)

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Revision as of 13:16, 12 May 2023 by Sky (talk | contribs) (‎Changed an Item: Moved Mindat rock identifier to instance of claim as qualifier)
Phonolitic rocks are fine-grained felsic igneous rocks lacking quartz, with felsics comprising 10-60% foids and alkali feldspar/total feldspar >0
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Phonolite
Phonolitic rocks are fine-grained felsic igneous rocks lacking quartz, with felsics comprising 10-60% foids and alkali feldspar/total feldspar >0

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