Zinc

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Abstract

Zinc (atomic number 30) is the 22nd most abundant element in the solar system (312 ppm; 70 ppm in the Earth’s crust). Zinc can behave both as a lithophile or as a chalcophile element and occurs in the divalent oxidation state in Nature. Zinc is the fourth most commonly used metal, following iron, aluminum, and copper. All economic Zn ore deposits share a hydrothermal origin, with sphalerite (ZnS) as the most common Zn mineral. Zinc(II) chloride complexes are responsible for Zn transport in most crustal fluids, with Zn bisulfide complexes possibly becoming important at high temperatures. “Nonsulfide Zn deposits” (containing Zn carbonates or silicates minerals) account for less than 10% of Zn production. Zinc plays an important role as an essential trace metal in all organisms from bacteria to humans. Consequently, the metal has low toxicity compared to other elements such as Cd, Hg, and Pb, and Zn shortage in soils around the world is an important problem.
Original languageEnglish
Title of host publicationEncyclopedia of Geochemistry
Subtitle of host publicationA Comprehensive Reference Source on the Chemistry of the Earth
EditorsWilliam M White, William H Casey, Bernard Marty, Hisayoshi Yurimoto
Place of PublicationCham Switzerland
PublisherSpringer
Pages1521-1524
Number of pages4
ISBN (Electronic)9783319393124, 9783319393131
ISBN (Print)9783319393117
DOIs
Publication statusPublished - 18 Jul 2018

Publication series

NameEncyclopedia of Earth Sciences Series
ISSN (Print)1388-4360
ISSN (Electronic)1871-756X

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