xen·o·cryst (z n  -kr st , z n-)n. A crystal foreign to the igneous rock in which it occurs. |
xenocryst [ˈzɛnəˌkrɪst]
n
(Earth Sciences / Geological Science) a crystal included within an igneous rock as the magma cooled but not formed from it
[from xeno- + cryst(al)]
| xenocryst (zn-krst, zn-) A crystal foreign to the igneous rock in which it occurs. Xenocrysts usually form during metamorphism. Compare xenolith. |
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|