词条 | Megacryst |
释义 |
In geology, a megacryst is a crystal or grain that is considerably larger than the encircling matrix. They are found in igneous and metamorphic rocks.[1] Megacrysts can be further classified based on the nature of their origin, either as:[2]
See also
References1. ^{{cite web|url=http://www.memphisgeology.org/glossary_ln.htm|title=Glossary of terms|accessdate=29 December 2009|publisher=Memphis Archaeological and Geological Society|date=7 April 2006}} 2. ^Chapman, Carleton A. (2014). Phenocryst. In AccessScience. McGraw-Hill Education. https://doi.org/10.1036/1097-8542.506500 Notes
1 : Petrology |
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