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  1. Porphyritic - Wikipedia

    Porphyritic is an adjective used in geology to describe igneous rocks with a distinct difference in the size of mineral crystals, with the larger crystals known as phenocrysts.

  2. What is a Porphyritic Texture and How Is It Formed?

    Sep 2, 2022 · The porphyritic texture is an igneous rock texture characterized by well-formed, larger crystals in a finer-grained matrix. The consistently larger crystals are known as phenocrysts, while …

  3. Porphyritic – Geology is the Way

    The porphyritic texture is a type of texture occurring in volcanic and intrusive igneous rocks defined by the presence of larger crystals, called phenocrysts, surrounded by a matrix of considerably smaller …

  4. Porphyry – Texture, Formation, and Occurrence - Sandatlas

    Nov 5, 2012 · Porphyry is an igneous rock with large crystals in a fine groundmass. Discover how these textures develop and where porphyritic rocks form.

  5. What Is Porphyritic Texture in Rocks and How Does It Form

    May 8, 2024 · Porphyritic texture describes igneous rocks with large, well-formed crystals called phenocrysts in a finer-grained matrix called groundmass.

  6. PORPHYRITIC Definition & Meaning - Merriam-Webster

    The meaning of PORPHYRITIC is of or relating to porphyry.

  7. Porphyritic Textures with Coarse-Grained Groundmasses

    A porphyritic texture displays minerals in two distinct size populations: one or more minerals are consistently larger than the rest of the minerals in a rock. The extra large mineral grains are called …

  8. Porphyritic Definition - Intro to Geology Key Term | Fiveable

    Porphyritic refers to a specific texture found in igneous rocks characterized by large crystals, known as phenocrysts, embedded within a finer-grained matrix or groundmass.

  9. Porphyry | Springer Nature Link

    A porphyry is an igneous rock that contains large crystals (phenocrysts) in a finer-grained groundmass.

  10. ALEX STREKEISEN-Porphyritic-

    Porphyritic texture is an igneous rock texture in which large crystals are set in a finer-grained or glassy groundmass. Porphyritic textures occur in coarse, medium and fine-grained igneous rocks.