• Top 10 Most Abundant Elements in Earth's Mantle
    Oxygen 44.8%
    Magnesium 22.8%
    Silicon 21.5%
    Iron 5.8%
    Calcium 2.3%
    Aluminum 2.2%
    Sodium 0.3%
    Potassium 0.3%
    Titanium 0.01%
    Hydrogen 0.01%