Difference between revisions of "Phenocryst"
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| − | + | A '''phenocryst''' is a relatively large [[crystal]] set into the [[groundmass]] of an [[igneous rock]] to give a [[porphyritic]] texture. | |
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| − | =Sources= | + | ==Sources== |
| − | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) | + | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995), ''p. 251'' |
| − | [[category: | + | [[category:Mineralogy]] |
Revision as of 13:30, July 15, 2007
A phenocryst is a relatively large crystal set into the groundmass of an igneous rock to give a porphyritic texture.
Sources
- Pellant, Chris. The Complete Book of Rocks and Minerals, Dorling Kindersley Inc.: New York (1995), p. 251