Abundance of Elements : Earth's crust, Sea and Human body
see also: table
[NOTE]
Elements present in the Earth's crust at concentrations ≥ 0.1 ppb (≥ 0.1 μg/kg) : Part I see Part II below
Elements present in the Earth's crust at concentrations < 0.1 ppb (< 0.1 μg/kg) : Part II see Part I above