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  2. Abundance of elements in Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_elements_in...

    Abundance (atom fraction) of the chemical elements in Earth's upper continental crust as a function of atomic number; [5] siderophiles shown in yellow Graphs of abundance against atomic number can reveal patterns relating abundance to stellar nucleosynthesis and geochemistry.

  3. Abundances of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Abundances_of_the_elements...

    A.B. Ronov, A.A. Yaroshevsky, Earth's Crust Geochemistry, in Encyclopedia of Geochemistry and Environmental Sciences, R.W. Fairbridge (ed.), Van Nostrand, New York, (1969). Estimated abundance of the elements in the continental crust (C1) and in seawater near the surface (W1). The median values of reported measurements are given.

  4. Abundance of the chemical elements - Wikipedia

    en.wikipedia.org/wiki/Abundance_of_the_chemical...

    The more abundant rare earth elements are similarly concentrated in the crust compared to commonplace industrial metals such as chromium, nickel, copper, zinc, molybdenum, tin, tungsten, or lead. The two least abundant stable rare earth elements (thulium and lutetium) are nearly 200 times more common than gold. However, in contrast to the ...

  5. Clarke number - Wikipedia

    en.wikipedia.org/wiki/Clarke_number

    Clarke number or clarke is the relative abundance of a chemical element, typically in Earth's crust. The technical definition of "Earth's crust" varies among authors, and the actual numbers also vary significantly.

  6. Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Earth's_crust

    Abundance (atom fraction) of the chemical elements in Earth's upper continental crust as a function of the atomic number. The rarest elements in the crust (shown in yellow) are not the heaviest, but are rather the siderophile (iron-loving) elements in the Goldschmidt classification of elements. These have been depleted by being relocated deeper ...

  7. Goldschmidt classification - Wikipedia

    en.wikipedia.org/wiki/Goldschmidt_classification

    Abundance (atom fraction) of the chemical elements in Earth's upper continental crust as a function of atomic number.The rarest elements in the crust (shown in yellow) are not the heaviest, but are rather the siderophile (iron-loving) elements in the Goldschmidt classification of elements.

  8. Natural abundance - Wikipedia

    en.wikipedia.org/wiki/Natural_abundance

    Relative abundance of elements in the Earth's upper crust. In physics, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet. The relative atomic mass (a weighted average, weighted by mole-fraction abundance figures) of these isotopes is the atomic weight listed for the element in the ...

  9. Oddo–Harkins rule - Wikipedia

    en.wikipedia.org/wiki/Oddo–Harkins_rule

    Abundance of elements in Earth's crust per million Si atoms (y axis is logarithmic); the Oddo–Harkins rule is visible for most of the metallic elements.. All atoms heavier than hydrogen are formed in stars or supernovae through nucleosynthesis, when gravity, temperature and pressure reach levels high enough to fuse protons and neutrons together.