myloniticadj.
/mʌɪləˈnɪtɪk/, /mɪləˈnɪtɪk/, U.S. /ˌmaɪləˈnɪdɪk/ Geology.
Relating to or of the nature of mylonite.
ΚΠ
1888 F. H. Hatch Gloss. in J. J. H. Teall Brit. Petrogr. 440 Mylonitic.
1905 Trans. Edinb. Geol. Soc. 8 Special Part. 112 In section, these are seen as thin threads and lenticular eyes of the mylonitic rock.
1973 Science 17 Nov. 685 Other than..possibly the very fine-grained mylonitic zones along isolated fractures in other blocks, the basalts seem to have been little metamorphosed by the formation of large craters in the valley.
1993 Jrnl. Petrol. 34 431 Such distinctive mylonitic fabrics are so widespread in these rocks..that they have frequently been termed ‘granulitic’.
This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).
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adj.1888