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Porphyritic
Title
Porphyritic
Subject
An igneous rock containing phenocrysts in a fine-grained groundmass is said to have a porphyritic texture.
Collection
Citation
“Porphyritic,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/244.