dacite (Q41791)

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Revision as of 17:11, 24 October 2023 by Sky (talk | contribs) (‎Changed an Item: Updated rock class item with Geoscience Ontology GSRM subclass data)
Fine grained or porphyritic crystalline rock that contains less than 90 percent mafic minerals, between 20 and 60 percent quartz in the QAPF fraction, and has a plagioclase to total feldspar ratio greater than 0
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dacite
Fine grained or porphyritic crystalline rock that contains less than 90 percent mafic minerals, between 20 and 60 percent quartz in the QAPF fraction, and has a plagioclase to total feldspar ratio greater than 0

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