niagara period

listen to the pronunciation of niagara period
الإنجليزية - الإنجليزية
The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by the removal of the shale
See Chart of Geology
A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara epoch
niagara period

    الواصلة

    Ni·ag·a·ra pe·ri·od

    التركية النطق

    nayägrı pîriıd

    النطق

    /nīˈagrə ˈpərēəd/ /naɪˈæɡrə ˈpɪriːəd/
المفضلات