Megacryst

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]

References

  1. ^ "Glossary of terms". Memphis Archaeological and Geological Society. 7 April 2006. http://www.memphisgeology.org/glossary_ln.htm. Retrieved 29 December 2009. 

Notes