Definition of porphyritic in English:

porphyritic

adjective ˌpɔːfɪˈrɪtɪkˌpɔrfəˈrɪdɪk

Geology

Relating to or denoting a rock texture containing distinct crystals or crystalline particles embedded in a compact groundmass.
〔地质〕斑岩的
Example sentencesExamples
- It is a light grey, porphyritic volcanic to subvolcanic rock, which shows almost no deformation.
- The original porphyritic texture with plagioclase phenocrysts is still recognizable.
- Coarser fractions additionally contain volcanic clasts of vesicular and porphyritic lava, tuff and pumice.
- These crystals eventually form the phenocrysts found in porphyritic rocks.
- The biotite-granite continues these trends of increasing orthoclase over plagioclase and biotite over homblende, to produce a coarse-grained pink porphyritic rock in which orthoclase phenocrysts dominate.

Definition of porphyritic in US English:

porphyritic

adjectiveˌpôrfəˈridikˌpɔrfəˈrɪdɪk

Geology

Relating to or denoting a rock texture, typically found in volcanic rocks, containing distinct crystals or crystalline particles embedded in a fine-grained groundmass.
〔地质〕斑岩的
Example sentencesExamples
- These crystals eventually form the phenocrysts found in porphyritic rocks.
- It is a light grey, porphyritic volcanic to subvolcanic rock, which shows almost no deformation.
- The original porphyritic texture with plagioclase phenocrysts is still recognizable.
- The biotite-granite continues these trends of increasing orthoclase over plagioclase and biotite over homblende, to produce a coarse-grained pink porphyritic rock in which orthoclase phenocrysts dominate.
- Coarser fractions additionally contain volcanic clasts of vesicular and porphyritic lava, tuff and pumice.

单词	porphyritic
释义	Definition of porphyritic in English: porphyritic adjective ˌpɔːfɪˈrɪtɪkˌpɔrfəˈrɪdɪk Geology Relating to or denoting a rock texture containing distinct crystals or crystalline particles embedded in a compact groundmass. 〔地质〕斑岩的 Example sentencesExamples It is a light grey, porphyritic volcanic to subvolcanic rock, which shows almost no deformation. The original porphyritic texture with plagioclase phenocrysts is still recognizable. Coarser fractions additionally contain volcanic clasts of vesicular and porphyritic lava, tuff and pumice. These crystals eventually form the phenocrysts found in porphyritic rocks. The biotite-granite continues these trends of increasing orthoclase over plagioclase and biotite over homblende, to produce a coarse-grained pink porphyritic rock in which orthoclase phenocrysts dominate. Definition of porphyritic in US English: porphyritic adjectiveˌpôrfəˈridikˌpɔrfəˈrɪdɪk Geology Relating to or denoting a rock texture, typically found in volcanic rocks, containing distinct crystals or crystalline particles embedded in a fine-grained groundmass. 〔地质〕斑岩的 Example sentencesExamples These crystals eventually form the phenocrysts found in porphyritic rocks. It is a light grey, porphyritic volcanic to subvolcanic rock, which shows almost no deformation. The original porphyritic texture with plagioclase phenocrysts is still recognizable. The biotite-granite continues these trends of increasing orthoclase over plagioclase and biotite over homblende, to produce a coarse-grained pink porphyritic rock in which orthoclase phenocrysts dominate. Coarser fractions additionally contain volcanic clasts of vesicular and porphyritic lava, tuff and pumice.
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