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Definition of Porphyritic rock
1. Noun. Any igneous rock with crystals embedded in a finer groundmass of minerals.
Exact synonyms: Porphyry
Terms within: Groundmass
Generic synonyms: Igneous Rock
Derivative terms: Porphyritic
Terms within: Groundmass
Generic synonyms: Igneous Rock
Derivative terms: Porphyritic
Lexicographical Neighbors of Porphyritic Rock
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