Definition of migmatite in English:
migmatite
noun ˈmɪɡmətʌɪtˈmɪɡməˌtaɪt
Geology A rock composed of two intermingled but distinguishable components, typically a granitic rock within a metamorphic host rock.
a series of dykes intrude the underlying migmatites
Example sentencesExamples
- In such a scenario, the leucogranite sheets might be interpreted to represent the conduits connecting the granite plutons through the migmatites to the granulites.
- Later, shallower and hotter metamorphism produced widespread sillimanite grade gneisses, migmatites and in situ partial melting.
- Leucosomes and leucogranites that segregated over variable distances but remained within the migmatites contain entrained inclusion-rich biotite from proximal mesosome-melanosome.
- He regarded metamorphism and deformation as continuously related processes and found it impossible to accept migmatites as metamorphic rocks.
- The subautochthonous granodiorites and transitional migmatites contain the youngest zircons of the Pena Negra Complex.
Origin
Early 20th century: from Greek migma, migmat- 'mixture' + -ite1.
Definition of migmatite in US English:
migmatite
nounˈmɪɡməˌtaɪtˈmiɡməˌtīt
Geology A rock composed of two intermingled but distinguishable components, typically a granitic rock within a metamorphic host rock.
a series of dikes intrude the underlying migmatites
Example sentencesExamples
- In such a scenario, the leucogranite sheets might be interpreted to represent the conduits connecting the granite plutons through the migmatites to the granulites.
- Leucosomes and leucogranites that segregated over variable distances but remained within the migmatites contain entrained inclusion-rich biotite from proximal mesosome-melanosome.
- The subautochthonous granodiorites and transitional migmatites contain the youngest zircons of the Pena Negra Complex.
- He regarded metamorphism and deformation as continuously related processes and found it impossible to accept migmatites as metamorphic rocks.
- Later, shallower and hotter metamorphism produced widespread sillimanite grade gneisses, migmatites and in situ partial melting.
Origin
Early 20th century: from Greek migma, migmat- ‘mixture’ + -ite.