porphyritic in a sentence

Definition

Porphyritic refers to a texture in igneous rocks characterized by the presence of large crystals (phenocrysts) embedded in a finer-grained matrix.

The volcanic rock was identified as porphyritic due to its large crystals embedded in a finer-grained matrix.
Geologists often study porphyritic textures to understand the cooling history of igneous rocks.
The porphyritic granite featured striking pink feldspar crystals that contrasted beautifully with the darker minerals.
During the field trip, we collected several samples of porphyritic basalt from the nearby lava flows.
The porphyritic nature of the stone made it a popular choice for decorative purposes in architecture.