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. Retrieved 29 December 2009.

Notes

This article is issued from Wikipedia - version of the Tuesday, December 29, 2009. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.