laurasia

• اسم علم يشير إلى قارة عظمى افتراضية يُفترض أنها وجدت في الماضي الجيولوجي وفق نظرية الصفائح التكتونية، ثم انفصلت لاحقًا لتكوّن أمريكا الشمالية وأوروبا وآسيا.

A proper noun referring to a hypothetical supercontinent that, according to plate tectonic theory, existed in the geological past and later broke up into North America, Europe, and Asia.

غير معدود · اسم علم

1. Ancient supercontinentC1formalscientific

   A hypothetical supercontinent that existed during the late Paleozoic and early Mesozoic eras, which later broke apart to form North America, Europe, and Asia.

   لوراسيا

   • Laurasia is believed to have separated from Gondwana around 200 million years ago.
   • The breakup of Laurasia led to the formation of the Atlantic Ocean.
   • Fossil evidence supports the existence of Laurasia as a distinct landmass.