Alternate Definitions for hypabyssal

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Term: hypabyssal
Definition:

Hypabyssal are igneous rocks formed at a depth in between the plutonic and volcanic rocks. They are characterized by their porphyritic nature (porphyry). They consist of phenocrysts embedded in a fine-grained groundmass. [Wikipedia]

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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