Definition of mylonitization in English:
mylonitization
noun ˌmʌɪlənɪtʌɪˈzeɪʃnˌmɪlənɪtʌɪˈzeɪʃn
Geology Conversion into mylonite; the formation of mylonite.
Origin
Early 20th century; earliest use found in Benjamin Neeve Peach (1842–1926), geologist. From mylonitize + -ation.