Ọ bụrụ na ọ naghị ezo aka n'Oké Osimiri, gịnị ka Tethys na-ezo aka na ya n'ihe odide a? N'iburu ajụjụ nke mbụ n'uche, dee ihe gbara ya gburugburu bụ́ nke ga-enye azịza ya. Ọ nwere ike ịbụ 1 - 20 ahịrịokwu. Ihe ndị gbara ya gburugburu:
N'ebe ndịda Yurop, a na-edozi usoro ahụ na Triassic Period nke Mesozoic Era, na mmeghe nke Oké Osimiri Tethys, n'etiti Eurasian na African tectonic plates, n'etiti ihe dị ka 240 MBP na 220 MBP (nde afọ tupu ugbu a). Oké Osimiri Mediterenian nke dị ugbu a sitere n'oké osimiri Tethys a nke buru ibu karị. N'ihe dị ka 180 MBP, n'oge Jurassic, efere abụọ ahụ tụgharịrị ụzọ wee malite ịpịkọta ala Tethys, na-eme ka ọ daa n'okpuru Eurasia ma na-agbanye ihu nke efere nke ikpeazụ na Alpine Orogeny nke Oligocene na Miocene Oge. E jidere ọtụtụ microplates n'ime mkpakọ ahụ ma tụgharịa ma ọ bụ na-agbanye n'akụkụ, na-eme ka atụmatụ nke ala Mediterenian: Iberia na-agbanye Pyrenees; Ịtali, Alps, na Anatolia, na-aga n'ebe ọdịda anyanwụ, ugwu ndị Gris na agwaetiti. Mkpakọ na orogeny na-aga n'ihu taa, dị ka e gosipụtara site n'ịga n'ihu nke ugwu na obere ego kwa afọ na ugwu mgbawa na-arụ ọrụ.