Difference between revisions of "Material/Twenty most abundant elements in Earth's crust"

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Revision as of 21:42, 7 December 2006

Approx figures for the 20 most abundant elements in Earth's crust:

Earth's crust
Element  % mass
Oxygen 46.71
Silicon 27.69
Aluminum 8.07
Iron 5.05
Calcium 3.65
Sodium 2.75
Potassium 2.58
Magnesium 2.08
Titanium 0.62
Hydrogen 0.14
Phosphorus 0.13
Carbon 0.09
Manganese 0.09
Sulfur 0.05
Barium 0.05
Chlorine 0.05
Chromium 0.04
Fluorine 0.03
Zirconium 0.03
Nickel 0.02

Figures from [1]
Figures rounded to two decimal places
Also need to have a list based on ease of extraction and energy required