Alternate Definitions for particulate constituent

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Term: particulate constituent
Definition:

any crystal in an igneous or metamorphic rock that is sgnificantly larger than the surounding groundmass. May be a phenocryst, xenocryst, porphyroblast or porphyroclast.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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