a composite rock body containing two types of rock (esp igneous and metamorphic rock) that have interacted with each other but are nevertheless still distinguishable
Word origin
C20: alteration of Swedish migmatit, from Greek migma mixture + -ite1
Examples of 'migmatite' in a sentence
migmatite
This indicates that the migmatite was formed in a process of metamorphic recrystallizationfrom a previously homogeneous biotite paragneiss.
E. Fediuková, M. Suk 1979, 'An example of migmatite origin by dehydrating metamorphism', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume51/sgs_bt_051_pages_001_009.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Tourmalinization of granitoids, migmatite and metasediments occurred at subsolidusconditions associated with aplite-pegmatites that cut all the other lithologies.
Areias, M. , Ribeiro, M. A., Santos, J. F., Dória, A. 2014, 'LP-HT anatectic processes and lithological heterogeneity in the Mindelo MigmatiteComplex (NW Portugal)', Estudios Geologicoshttp://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/911/979. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)