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]

See also

Phenocryst

References

↑ "Glossary of terms". Memphis Archaeological and Geological Society. 7 April 2006. Retrieved 29 December 2009.

Notes

Significance of k-feldspar megacryst size and distribution in the tuolumne intrusive suite, California

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