a fine-grained metamorphic rock, often showing banding and micaceous fracture, formed by the crushing, grinding, or rolling of the original structure
Word origin
C19: from Greek mulōn mill
mylonite in American English
(ˈmailəˌnait, ˈmɪlə-)
noun
Geology
a rock that has been crushed and sheared to such an extent that its original texture has been destroyed
Word origin
[1885–90; mylon- (repr. Gk mýlos mill) + -ite1]
Examples of 'mylonite' in a sentence
mylonite
The modal mineralogy of the different mylonite types changes considerably.
Farkašovský Roman, Bónová Katarína, Košuth Marián 2016, 'Microstructural, modal and geochemical changes as a result of granodiorite mylonitisation– a case study from the Rolovská shear zone (Čierna hora Mts, Western Carpathians,Slovakia)', Geologoshttp://www.degruyter.com/view/j/logos.2016.22.issue-3/logos-2016-0019/logos-2016-0019.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A granite, a protomylonite, and a mylonite were selected for this study.
Francieli Tiecher, Renata N. Florindo, Geilma L. Vieira, Márcia E. B. Gomes, DeniseC. C. Dal Molin, Richard T. Lermen 2018, 'Influence of the Quartz Deformation Structures for the Occurrence of the Alkali–SilicaReaction', Materialshttp://www.mdpi.com/1996-1944/11/9/1692. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Rocks of both facies are classificated as mylonite schists, mylonite gneisses and protomylonites.
López, J. P. 1992, 'Petrología y análisis geométrico y tectónico de las milonitasde la Sierra de Copacabaña, provincia de Catamarca, República Argentina',Estudios Geologicoshttp://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/400/420. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)